Chapter No.1: Introduction to Physics
1) Write the contribution of the Muslims scientist in the field of physics? (2008)
2 Write down two contribution of each of the following
(i) Al-Beruni (2009) OR
(ii) Ibn-ul-Haitham (2009, 2019)
◾ Yaqoob Al Kindi (2019)(i) Al-Beruni (2009) OR
(ii) Ibn-ul-Haitham (2009, 2019)
3) Define any three branches of physics?(2010) OR
◾ Define physics and write down only the name of its any four branches of physics.OR
◾ Define physics and write the names of any of its four branches.(2011, 2013, 2017) OR
◾ Define physics and write down only the name of its any four branches of physics.OR
◾ Define physics and write the names of any of its four branches.(2011, 2013, 2017) OR
◾ Name and define branches f physics about solid material, nucleus of atom and astronomical bodies? (2015)
7) Define (i) Mechanics (ii) Personal error (2018)
Note: No question in 2014, 2016
Chapter No.2: Measurement
1) Write S.I units of the following physical quantities: (i) Length (ii) Electric current (iii) Pressure (iv) Work (v) Volume (vi Force (2013)2) Write down S.I.U for the following (i) Viscosity (ii) Stress (iii) Torque (iv) Temperature (v) Momentum (vi) Input (2014)
3) Write the approximate value of mass of our galaxy, earth and moon. (2015)
4) Write down the S.I units of the following physical quantities: (i) Time (ii) Weight (iii) Power (iv) Stress (v) Length (vi) Frequency (2017)
5) Write down two differences between (i) Fundamental quantities and derived quantities. (2019)
Numerical:
1) The radius of Hydrogen atom is 0.53 X 10-10m. Convert it in Kilometer, millimeter, micrometer and nano meter (2018) (>Hint: Formula: 1 km = 1000 meter, 1 meter = 1000 millimeter and 1 meter = 106 micrometer )
Note: No question in 2009, 2010, 2011, 2012, 2016, 2019.
Chapter No.3: Kinematics Of Linear Motion
1) Derive the equation: S= Vit + ½ at2 (2009, 2011, 2013, 2017) OR◾ Derive second equation of motion in five steps. (2015) (Tip: Second equation of motion is S= Vit + ½ at2)
2) Derive the equation 2as= Vf2 – Vi2. (2010, 2012, 2016) OR
◾With the help of = Vf2 , Vi2 and S drive the equation of motion (2014) (Tip: Third equation of motion is 2as = Vf2 - Vi2)
3) Define scalars and vectors quantities with two examples of each. ( 2012)◾With the help of = Vf2 , Vi2 and S drive the equation of motion (2014) (Tip: Third equation of motion is 2as = Vf2 - Vi2)
4) Prove that vf = vi + at. ( 2014)
Numerical:
1) A motorcycle is moving with a velocity of 72 km/hr on a straight road, when the brakes are applied the motorcycle comes to rest after covering a distance of 10 meters. Calculate its acceleration. (2009) (Hint: Formula ; 2as= Vf2 – Vi2. )
2) A car moving with a uniform acceleration attains a speed of 36 km/hr in 2 minutes; Find the acceleration of the car. (2010) (Hint: Formula ; vf = vi + at.)
3) A stone is dropped from a tower. It reaches the ground in 5 seconds. Calculate the height of the tower. (2011, 2013) (Hint: Formula ; height(h) = S = Vit + ½ at2 )
4) A car is moving on a straight road at a speed of 5 m/s. It is accelerated at 3 m/s2. Calculate its velocity after 4 seconds. (2012) (Hint: Formula ; vf = vi + at.)
4) The velocity of a car increases by an acceleration of 2 m/s2 and become 20 m/s in 5 second. Find the initial velocity of the car. (2013) (Hint: Formula ; vf = vi + at.)
2) A car moving with a uniform acceleration attains a speed of 36 km/hr in 2 minutes; Find the acceleration of the car. (2010) (Hint: Formula ; vf = vi + at.)
3) A stone is dropped from a tower. It reaches the ground in 5 seconds. Calculate the height of the tower. (2011, 2013) (Hint: Formula ; height(h) = S = Vit + ½ at2 )
4) A car is moving on a straight road at a speed of 5 m/s. It is accelerated at 3 m/s2. Calculate its velocity after 4 seconds. (2012) (Hint: Formula ; vf = vi + at.)
4) The velocity of a car increases by an acceleration of 2 m/s2 and become 20 m/s in 5 second. Find the initial velocity of the car. (2013) (Hint: Formula ; vf = vi + at.)
5) A car is moving with uniform acceleration and attains the velocity of 108 kmh-1 in 5 minutes. Find acceleration of the car. (2015) (Hint: Formula ; Velocity (vf = vi + at), Height (h=S=Vit + ½ at2 )
6) A ball is dropped from a tower, it reaches the ground in 10 seconds. Calculate the height of the tower and the velocity with which it hits the ground. (Take g= 10 m/s2) (2016, 2019) (Hint: Formula ; height(h) = S = Vit + ½ at2 )
7) A car starting from rest attains a velocity of 20 ms-1 in 5 seconds. Find the distance covered by the car. (2017) (Hint: Formula ; 2 formulas are used (1) foe acceleration; vf = vi + at and for distance; S = Vit + ½ at2 )
8) A ball is dropped from a height of 122.5 m. How much time will it take to reach the ground? (2018) (Hint: Formula ; S = Vx t)
6) A ball is dropped from a tower, it reaches the ground in 10 seconds. Calculate the height of the tower and the velocity with which it hits the ground. (Take g= 10 m/s2) (2016, 2019) (Hint: Formula ; height(h) = S = Vit + ½ at2 )
7) A car starting from rest attains a velocity of 20 ms-1 in 5 seconds. Find the distance covered by the car. (2017) (Hint: Formula ; 2 formulas are used (1) foe acceleration; vf = vi + at and for distance; S = Vit + ½ at2 )
8) A ball is dropped from a height of 122.5 m. How much time will it take to reach the ground? (2018) (Hint: Formula ; S = Vx t)
Chapter No.4: Motion And Force
1) Write down two point of difference between the (i) Mass and Weight (2009, 2018 ) OR
◾ Write down three point of difference (comparison) between the (i) Mass and Weight (2011, 2013, 2015)
2) State / define the following laws:
(i) law of conversation of momentum. (2009, 2012)
(ii) Law of inertia (2009)
(iii) Second law of motion (2011)
(iv) Newton's third law of motion (2012)
3) Write down three method of reducing friction. (2008, 2010)
4) Define Linear Momentum. Write down its formula and S.I unit. (2010, 2012)
5) Write down three methods of reducing friction. (2010)
6) Define the following
(i) Inertia ( 2011, 2014)
(ii) limiting friction . ( 2011)
(iii) Newton (2014)
(iv) Friction (2018)
7) State Newton's second law and third law of motion and derive F=ma. (2013, 2018)
8) Write two advantages and two disadvantages of friction. (2013, 2016)
9) State Newton’s laws of motion. (2017)
◾ Write down three point of difference (comparison) between the (i) Mass and Weight (2011, 2013, 2015)
2) State / define the following laws:
(i) law of conversation of momentum. (2009, 2012)
(ii) Law of inertia (2009)
(iii) Second law of motion (2011)
(iv) Newton's third law of motion (2012)
3) Write down three method of reducing friction. (2008, 2010)
4) Define Linear Momentum. Write down its formula and S.I unit. (2010, 2012)
5) Write down three methods of reducing friction. (2010)
6) Define the following
(i) Inertia ( 2011, 2014)
(ii) limiting friction . ( 2011)
(iii) Newton (2014)
(iv) Friction (2018)
7) State Newton's second law and third law of motion and derive F=ma. (2013, 2018)
8) Write two advantages and two disadvantages of friction. (2013, 2016)
9) State Newton’s laws of motion. (2017)
12) Two bodies of different masses are attached with a string which passes over a friction less pulley such that the bodies are moving vertically. Derive the formula:
(2017)
13) Give scientific reason:
(a) It is dangerous to jump from fast moving vehicle. (2018)
(b) Why is sliding friction is greater than rolling friction. (2019)
14) State Newton's second law and derive F=ma. (2019)
Numerical:
1) A body weighting 25 N is placed on a wooden plank. How much force is required to set it in motion if the coefficient of friction between plank and the body is 0.4. (2011) ( Hint: Formula ; F= վR, where R= W = 25N)
2) A body of 20 Kg is moving with a speed of 15 m/s. Find its momentum. (2011) ( Hint: Formula ; P=mV)
3) A gun of mass 10 kg fires a bullet of mass 0.05 kg with a speed of 200 m/s. Calculate velocity of recoil of the gun. (2014) ( Hint: Formula ; m1u1 + m2u2 = m1v1 + m2v2)
4) Two bodies of masses 5 kg and 4 kg are attached to the ends of a string that passes over a pulley such that the two bodies hang vertically. Find the acceleration of the bodies and tension in the string.
( Hint: Formula ; For acceleration and tension
) (2014, 2018)
◾Define resolution of vector. Explain the method to resolve a vector into its rectangular components. (2018)
2) If Fx and Fy are the horizontal and vertical components of vector F , write down the formulas for magnitude and direction of F, show Fx and Fy by a diagram. (2010) OR
◾ With the help of rectangular components of a vector derive the equation for the resultant vector. (2016)
3) Define resolution of vector and write down two formulas of rectangular components. (2011)
4) With the help of trigonometric ratios, Find the magnitude of horizontal and vertical component of a vector. (2012)
◾ Define vector and scalar quantities with two examples each. ( 2012)
5) Define resolution of vector and resolve a vector into its components. (2014)
6) With the help of graphical method add two vector A and B. (2015)
7) With the help of diagram define negative of a vector and resultant vector. ( 2017)
Numerical:
1) Two. forces of 3 N and 4 N are acting on a body. If the angle between them is 90° , find the magnitude of the resultant vectors. (2010) ( Tip: Formula ; For magnitude and direction (if need)
2) A force of 100 N acts at an angle of 60° with the horizontal. Find its horizontal and vertical components, where Cos 60° = 0.5 and Sin 60° = 0.866. (Hint: Formula ; For Horizontal component Fx = F Cos 𝜭 and For Vertical component Fy = F Sin 𝜭) (2012) OR
◾ Find the two rectangular components of a force of 100 N which is acting at an angle of 60° with x-axis ( Cos 60° = 0.5 and Sin 60° = 0.866.) (2013)
◾ A force is acting at an angle of 60° with x-axis. If the x-component of the force is 50 Newton. Find resultant and y-components of a force. (Sin 60° = 0.866, Cos 60° = 0.5) (Hint: Formula ; For resultant vector R= F from formula ( Fx = F Cos 𝜭), For Vertical component Fy = F Sin 𝜭) (2019)
(i)Torque. (2009
(ii) Center of gravity (2009, 2019)
(iii) Couple (2013, 2019)
2) Write down three states of equilibrium with the help of a diagram. (2009) OR
◾ Define equilibrium. Write the names three states of equilibrium. Give one example of each.(2012) OR
◾ Write three states of equilibrium.(2017)
3) Define equilibrium. Write down the conditions of equilibrium and the relate formulae.(2010) OR
◾ Define equilibrium. and state two conditions of equilibrium. (2016)
4) Define torque. Write down its unit and formula. (2013)
5) Prove that moments of couple is equal to the force and arm of couple. (2015)
Numerical:
1) A force of 50 N acts on a body. If the moment arm is 0.5 m, Find the value of the Torque.(2010) ( Hint: Formula ; Ʈ = F x d )
2) A 5 m long beam pivoted in a wall, a force of 100 N is applied vertically at the far end of beam, Find the torque produced. (2014) ( Hint: Formula ; Ʈ = F x d )
Note: No question in 2011, 2018,2019.
. (2009, 2013) OR
◾ State Newton law of gravitation derives the formula of mass of earth with its help.(2016)
2) Define centripetal force and what are the factors depends on which it depends? Write down the formula of centripetal force. (2009)
3) Define:
(i) Orbital velocity (2013)
4) With the help of two bodies mathematically express the law of universal gravitation in three steps. (2015)
5) Define orbital velocity and derive the formula V = √GMe / r. (2016)
6) State the law of universal gravitation and prove that
(2018)
Numerical:
1) A stone of 200 gm mass tied to one end of a string of length 50 cm, is whirled from the other end in a circle with the constant speed of 2 m/s . Find tension in the string.(2010) ( Hint: Formula ; Fc = T = mv2 / r )
2) A string 2m long is used to whirl a 100 gm in horizontal circle at a speed of 2 m/s . Find tension in the string.(2010) ( Hint: Formula ; Fc = T = mv2 / r )
3) Compute the gravitation force of attraction between two boys of masses 50 kg and 40 kg respectively apart from each other by 2 m. (G = 6.67 x 10-11 N-m-2 / Kg2 ) (2016) ( Hint: Formula ;
)
4) A car is moving in a circular track of radius 30 m at a constant speed of 2 m/s. Find the centripetal acceleration of the car. (2017) ( Hint: Formula ; Fc = mv2 / r )
Calculate the orbital velocity of artificial satelleite required moving around the earth if radius is 6X106m and the value of "g" is 10m/s2. (Hint= V=√ gRe).
Note: No question in 2011, 2012, 2014, 2018
◾ Define kinetic energy and potential energy and derive the equation K.E = 1/2 mv2 (2012, 2018)
◾ Define potential energy kinetic energy also derive their equations P.E.= mgh, K.E = 1/2 mv2 (2019)
2) Define work and write down its two formulas. (2011)
3) Define
(i) Power (2011, 2014)
4) Define work and energy state the law of conservation of energy. (2013)
5) Write two differences between kinetic energy and potential energy. (2007, 2013)
6) Define inter conversion of kinetic energy and potential energy. (2015)
7) Define power and derive equation P=FV. (2016)
8) Define elasticity, work and energy. (2008)
Numerical:
1) Find the work done when a force of 400 N acting at an angle of 60° with the ground moves an object to a distance of 10 meters along the ground. ( Cos 60° = 0.5) (2009)( Hint: Formula ; W = Fd Cos𝜭)
2) A force of 588 N acts on a box to move it at a distance of 4 m in 40 seconds. (2012) (Hint: Formula ; power = work done / Time taken or P = F x S / t )
3) With what constant velocity can a 1960 watt motor raise a mass of 100 kg. (2016) (Hint: Formula ; P = F𝓥 where F =W = mg )
4) What is the Kinetic Energy (K.E) of 2000 Kg car travelling at a velocity of 90 Km/h? (2017) (Hint: Formula ; K.E = 1/2 mv2 )
Note: No question in 2010
◾ Derive mechanical advantage formula for inclined plane. (2014) OR
◾ What is inclined plane? Calculate its Mechanical Advantage. (2017)
2) Define machine and write down the names of four simple machines. (2011)
3) Define the following:
(i) Lever (2013)
(2017)
13) Give scientific reason:
(a) It is dangerous to jump from fast moving vehicle. (2018)
(b) Why is sliding friction is greater than rolling friction. (2019)
14) State Newton's second law and derive F=ma. (2019)
Numerical:
1) A body weighting 25 N is placed on a wooden plank. How much force is required to set it in motion if the coefficient of friction between plank and the body is 0.4. (2011) ( Hint: Formula ; F= վR, where R= W = 25N)
2) A body of 20 Kg is moving with a speed of 15 m/s. Find its momentum. (2011) ( Hint: Formula ; P=mV)
3) A gun of mass 10 kg fires a bullet of mass 0.05 kg with a speed of 200 m/s. Calculate velocity of recoil of the gun. (2014) ( Hint: Formula ; m1u1 + m2u2 = m1v1 + m2v2)
4) Two bodies of masses 5 kg and 4 kg are attached to the ends of a string that passes over a pulley such that the two bodies hang vertically. Find the acceleration of the bodies and tension in the string.
( Hint: Formula ; For acceleration and tension
) (2014, 2018)Chapter No.5: Vectors
1) Define resolution of vector how is vector resolve into its components vectors. (2009) OR◾Define resolution of vector. Explain the method to resolve a vector into its rectangular components. (2018)
2) If Fx and Fy are the horizontal and vertical components of vector F , write down the formulas for magnitude and direction of F, show Fx and Fy by a diagram. (2010) OR
◾ With the help of rectangular components of a vector derive the equation for the resultant vector. (2016)
3) Define resolution of vector and write down two formulas of rectangular components. (2011)
4) With the help of trigonometric ratios, Find the magnitude of horizontal and vertical component of a vector. (2012)
◾ Define vector and scalar quantities with two examples each. ( 2012)
5) Define resolution of vector and resolve a vector into its components. (2014)
6) With the help of graphical method add two vector A and B. (2015)
7) With the help of diagram define negative of a vector and resultant vector. ( 2017)
Numerical:
1) Two. forces of 3 N and 4 N are acting on a body. If the angle between them is 90° , find the magnitude of the resultant vectors. (2010) ( Tip: Formula ; For magnitude and direction (if need)
◾ Find the two rectangular components of a force of 100 N which is acting at an angle of 60° with x-axis ( Cos 60° = 0.5 and Sin 60° = 0.866.) (2013)
◾ A force is acting at an angle of 60° with x-axis. If the x-component of the force is 50 Newton. Find resultant and y-components of a force. (Sin 60° = 0.866, Cos 60° = 0.5) (Hint: Formula ; For resultant vector R= F from formula ( Fx = F Cos 𝜭), For Vertical component Fy = F Sin 𝜭) (2019)
Chapter No.6: Equilibrium
1) Define(i)Torque. (2009
(ii) Center of gravity (2009, 2019)
(iii) Couple (2013, 2019)
2) Write down three states of equilibrium with the help of a diagram. (2009) OR
◾ Define equilibrium. Write the names three states of equilibrium. Give one example of each.(2012) OR
◾ Write three states of equilibrium.(2017)
3) Define equilibrium. Write down the conditions of equilibrium and the relate formulae.(2010) OR
◾ Define equilibrium. and state two conditions of equilibrium. (2016)
4) Define torque. Write down its unit and formula. (2013)
5) Prove that moments of couple is equal to the force and arm of couple. (2015)
Numerical:
1) A force of 50 N acts on a body. If the moment arm is 0.5 m, Find the value of the Torque.(2010) ( Hint: Formula ; Ʈ = F x d )
2) A 5 m long beam pivoted in a wall, a force of 100 N is applied vertically at the far end of beam, Find the torque produced. (2014) ( Hint: Formula ; Ʈ = F x d )
Note: No question in 2011, 2018,2019.
Chapter No.7: Circular Motion and Gravitation
1) States Newton’s law of gravitation and derive the relation:
. (2009, 2013) OR◾ State Newton law of gravitation derives the formula of mass of earth with its help.(2016)
2) Define centripetal force and what are the factors depends on which it depends? Write down the formula of centripetal force. (2009)
3) Define:
(i) Orbital velocity (2013)
4) With the help of two bodies mathematically express the law of universal gravitation in three steps. (2015)
5) Define orbital velocity and derive the formula V = √GMe / r. (2016)
6) State the law of universal gravitation and prove that
Numerical:
1) A stone of 200 gm mass tied to one end of a string of length 50 cm, is whirled from the other end in a circle with the constant speed of 2 m/s . Find tension in the string.(2010) ( Hint: Formula ; Fc = T = mv2 / r )
2) A string 2m long is used to whirl a 100 gm in horizontal circle at a speed of 2 m/s . Find tension in the string.(2010) ( Hint: Formula ; Fc = T = mv2 / r )
3) Compute the gravitation force of attraction between two boys of masses 50 kg and 40 kg respectively apart from each other by 2 m. (G = 6.67 x 10-11 N-m-2 / Kg2 ) (2016) ( Hint: Formula ;
)4) A car is moving in a circular track of radius 30 m at a constant speed of 2 m/s. Find the centripetal acceleration of the car. (2017) ( Hint: Formula ; Fc = mv2 / r )
Calculate the orbital velocity of artificial satelleite required moving around the earth if radius is 6X106m and the value of "g" is 10m/s2. (Hint= V=√ gRe).
Note: No question in 2011, 2012, 2014, 2018
Chapter No.8: Work, Power and Energy
1) Define kinetic energy and derive the relation K.E = 1/2 mv2 (2009, 2014). OR◾ Define kinetic energy and potential energy and derive the equation K.E = 1/2 mv2 (2012, 2018)
◾ Define potential energy kinetic energy also derive their equations P.E.= mgh, K.E = 1/2 mv2 (2019)
2) Define work and write down its two formulas. (2011)
3) Define
(i) Power (2011, 2014)
4) Define work and energy state the law of conservation of energy. (2013)
5) Write two differences between kinetic energy and potential energy. (2007, 2013)
6) Define inter conversion of kinetic energy and potential energy. (2015)
7) Define power and derive equation P=FV. (2016)
8) Define elasticity, work and energy. (2008)
1) Find the work done when a force of 400 N acting at an angle of 60° with the ground moves an object to a distance of 10 meters along the ground. ( Cos 60° = 0.5) (2009)( Hint: Formula ; W = Fd Cos𝜭)
2) A force of 588 N acts on a box to move it at a distance of 4 m in 40 seconds. (2012) (Hint: Formula ; power = work done / Time taken or P = F x S / t )
3) With what constant velocity can a 1960 watt motor raise a mass of 100 kg. (2016) (Hint: Formula ; P = F𝓥 where F =W = mg )
4) What is the Kinetic Energy (K.E) of 2000 Kg car travelling at a velocity of 90 Km/h? (2017) (Hint: Formula ; K.E = 1/2 mv2 )
Note: No question in 2010
Chapter No.9: Simple Machines
1) Define machine and its mechanical advantage. Find the mechanical advantage of an inclined plane. (2009) OR◾ Derive mechanical advantage formula for inclined plane. (2014) OR
◾ What is inclined plane? Calculate its Mechanical Advantage. (2017)
2) Define machine and write down the names of four simple machines. (2011)
3) Define the following:
(i) Lever (2013)
(ii) Inclined plane (2013)
(iii) Pulley (2013)
4) Draw the figure of Wheel and Axle and calculate its M.A. (2015)
◾ What is wheel and axle? With the help of a labelled diagram calculate its mechanical advantage. (2019)
5) State principle of lever and derive formula for Mechanical advantage of lever. (2016)
Numerical:
1) The length of the handle of a Screw Jack is 42 and its pitch 1.001m; find its Mechanical Advantage. (2010) ( Hint: Formula ; M.A = 2 𝛑 r / h )
2) An object of weight 50 N is raised 2 m above the ground using an inclined plane of length 10 m. Calculate the effort applied parallel to the Inclined plane. Also,find tho mechanical advantage of the inclined plane. (2018) ( Hint: Formula ;Input = output or P x L = W x h, M.A = l / h )
Note: No question in 2012
2) Why does a nail sink in water whereas a ship having a much bigger mass floats on the surface of water? (Give scientific reason) (2009)
(Ans: Needle:
A needle is made of iron sinks in water because the buoyant force acting on it is less than its weight. It is due to the fact the volume of a needle is very small and hence the weight of the water displaced by the needle is less than the weight of the needle.
Ship:
A ship is so designed that its volume is very large. Hence the buoyant force which is equal to the weight of equal volume of water displaced by the ship is very large and is greater than its weight. Hence a ship floats on the surface of waterin a sea.)
3) Define stress, strain and state Hooke's Law and write the formulae of young's Modulus of elasticity. (2009)(iii) Pulley (2013)
4) Draw the figure of Wheel and Axle and calculate its M.A. (2015)
◾ What is wheel and axle? With the help of a labelled diagram calculate its mechanical advantage. (2019)
5) State principle of lever and derive formula for Mechanical advantage of lever. (2016)
Numerical:
1) The length of the handle of a Screw Jack is 42 and its pitch 1.001m; find its Mechanical Advantage. (2010) ( Hint: Formula ; M.A = 2 𝛑 r / h )
2) An object of weight 50 N is raised 2 m above the ground using an inclined plane of length 10 m. Calculate the effort applied parallel to the Inclined plane. Also,find tho mechanical advantage of the inclined plane. (2018) ( Hint: Formula ;Input = output or P x L = W x h, M.A = l / h )
Note: No question in 2012
Chapter No.10: Properties Of Matter
1) State (define) the Archimedes's Principle (2009, 2013)2) Why does a nail sink in water whereas a ship having a much bigger mass floats on the surface of water? (Give scientific reason) (2009)
(Ans: Needle:
A needle is made of iron sinks in water because the buoyant force acting on it is less than its weight. It is due to the fact the volume of a needle is very small and hence the weight of the water displaced by the needle is less than the weight of the needle.
Ship:
A ship is so designed that its volume is very large. Hence the buoyant force which is equal to the weight of equal volume of water displaced by the ship is very large and is greater than its weight. Hence a ship floats on the surface of waterin a sea.)
4) State Pascal's Principle. Describe any one of its application. (2010) OR
◾ Write the name of the law which states " When a pressure is applied to a liquid it is transmitted equally in all directions." Define any one application of this law. (2018)
5) Define evaporation. Write down any four factors on which the rate of evaporation depends. (2010)
6) State
(i)Hook's Law ( 2011, 2013, 2016)
(ii) Pascal’s principle / law ( 2011, 2013)
7) State Pascal’s principle and write its three uses in daily life. ( 2012) OR
◾ Define Pascal's law and explain any one of its application by diagram. (2016)
8) Write two point of difference between stress and strain (2013)
9) Define
(i) viscosity (2013, 2019)
(ii) Surface tension (2013, 2019)
10) Explain hooks law applied helical springs. (2015)
11) Describe four examples showing surface tension. (2015)
12) Define pressure. Write its formula and S.I unit. ( 2017)
Chapter No.11: Heat
1) Write two points of difference between heat and temperature (2009)2) State Boyle's law, Charles's law and write the formula of the general gas equation.(2009) OR
◾ State Boyle's law, Charles's law and Pressure law and derive PV = nRT (2011, 2013) OR
◾ Define Boyle's law and Charles's law and derive general gas equation PV = nRT(2019) OR
◾ State Boyle's law (2016) OR
◾ State Charles's law (2017)
3) Define:
(i) Coefficient of Linear Expansion (2009)
(ii) Specific Heat (2009, 2014)
4) State Law of Heat Exchange (2009)
5) Why is a gap left between two pieces of railway track.( Give scientific reason) ( 2009)
6) Define the Coefficient of linear thermal Expansion and Co-efficient of volumetric Expansion and write the relation between them. (2012)
7) What is bimetallic strip? Write its three application. ( 2014) OR
◾ What is bimetallic strip? Write the name of its two application. ( 2017)
8) Describe and derive general gas equation.(2015)
9) Write down three differences between heat and temperature? ( 2016)
10) Define anomalous expansion of water and give its two effects. ( 2016)
11) Derive the equation β = 3∝ ( 2016)
12) Draw a labeled diagram of refrigerator and also describe the working of its main parts? (2008)
13) Aquatic animal survive in frozen seas. (Given scientific reason) (2018)
14) Define Co-efficient of linear expansion and derive the relation L2 = L1 [1+ a T] (2018)
Numerical:
1) 117.6 J heat is required to raise the temperature of 10 gm of silver by 50 °C; Find the specific heat of silver. (2010) ( Hint: Formula ; C = 𝚫 Q / m 𝚫T )
2) How much heat is required to raise the temperature of 100 kg of iron through 10 °C? (Specific heat of iron is 499.8 J/kg °C) (2011) ( Hint: Formula ; 𝚫Q = mC𝚫t)
3) How much amount of heat is required to raise the temperature of 100 kg of water from 20 °C to 80 °C? (Specific heat of water is 4200 Joules) (2012) ( ( Hint: Formula ; 𝚫Q = mC𝚫t)
◾ Find the amount of heat is required to raise the temperature of 100 gm of water from 10 °C to 60 °C? (Sp. Heat of water is 4200 J/kg°C) (2019) ( ( Hint: Formula ; 𝚫Q = mC𝚫t)
4) How much heat is required to raise the temperature of 800 g of iron through 50 °C? (Specific heat of iron is 499.8 J/kg °C) (2013) ( ( Hint: Formula ; 𝚫Q = mC𝚫t)
5) Find the amount of heat required to convert 10 Kg ice at 0℃ into water without changing the temperature while latent heat of fusion of ice is 3366000 J/kg. (2014) ( Hint: Formula ; 𝚫Q = mass x latent heat of fusion)
6) A steel rod has a length of 10 m at a temperature of 25℃. Calculate the increase in length, if it is heated to 35℃ ( ∝ For steel = 1.1 x 10-5 K-1) (2015) (Hint: Formula ; 𝚫T = ∝L𝚫T)
7) Calculate the volume occupies by 2 moles of a gas at 27℃ and pressure of 1 atm = 1.01 x 105 N/m2 ( R= 8.314 J/ mol-K) (2015, 2017) (Hint: Formula ; PV = nRT )
8) What is the pressure of 200 moles of a gas in a 50 cm3 cylinder at 27℃ (2018) (Hint: Formula ; PV = nRT )
Chapter No.12: Waves And Sounds
1) Define Wavelength, Frequency and Velocity of a wave and derive the equation V = fλ (2009) OR◾ Prove that V = fλ (2011, 2014)
2) Define Simple Harmonic Motion and verify it with the help of a simple pendulum. (2009) OR
◾ Define Simple Harmonic Motion and prove that the motion of a simple pendulum is simple harmonic motion. (2018) OR
◾ Define Simple Harmonic Motion and prove that the motion of a body attached to the end of spring execute simple harmonic motion. (2019)
3) State three characteristics of musical sound and describe any one of them (2009) OR
◾ Define musical sound and write its three characteristics. (2017)
3) State three characteristics of musical sound and describe any one of them (2009) OR
◾ Define musical sound and write its three characteristics. (2017)
4) The sound of thunder in the sky heard later than the streak of flight although they are produced at the same time (Give scientific reasons) (2009)
5) Define the following terms:
(i)Echo (2010, 2012)
(ii) Ultrasonic waves (2010)
(iii) Beats (2010, 2016 )
(iv) Simple harmonic motion (2012)
(v) Frequency (2012, 2017)
(vi) Time period (2012, 2017)
(vii) Pitch. (2012)
(viii) Resonance (2014)
(ix) Stationary waves (2016)
(x) Interference (2016)
(xi) Wavelength (2017)
6) Write down two characteristics properties of simple harmonic motion? (2010)
7) Define loudness of sound? Write three factors on which the loudness of sound
depends? (2012)
8) Write down three/ two differences between transverse and longitudinal waves. (2014, 2016)
9) Define Simple Harmonic Motion and describe its five important terms.(2015)
Numerical:
1) The frequency if vibration of a wire is 200 hertz; find its time period. (2010) (Hint: Formula ; T = 1 / f )
2) A Sitar string vibrates at 400 Hz. What is the time period of this vibration? (2011) ( Hint: Formula ; T = 1 / f )
3) Calculate the length of a second's pendulum (g = 10 ms-2) (2013) ( Hint: Formula ; T= 2 𝞹 √ l/ g ) OR
◾ Calculate the length of a second's pendulum - Taking 'g' equal to 10 ms-2. (Second's pendulum has a time period of 2 second) (2017) ( Hint: Formula ; T= 2 𝞹 √ l/ g )
4) 20 waves per second pass through a point on the surface of the pond. Calculate the wavelength if the velocity of waves is the 3.5 ms-1. (2014) ( Hint: Formula ; f = No.of waves / time)
5) Find the time period of simple pendulum whose length is 100 cm. (2015) ( Hint: Formula ; T= 2 𝞹 √ l/ g )
6) Find the time period of simple pendulum whose length is 288 cm. (2016) ( Hint: Formula ; T= 2 𝞹 √ l/ g )
7) A piece of paper completes 600 vibrations in 60 seconds when some waves pass through the surface of water. Find the time period and the frequency of the piece of paper. Calculate the wavelength if the velocity of the waves is 2.S m/s.(2018) ( Hint: Formula ; f = number of vibration / time, T = 1 / f , and 𝓥 = f𝝺 )
8) When a sound wave of frequency 200 Hertz and wave length 300 cm passes through a medium. Calculate the velocity of the wave in the medium. (Hint: Formula 𝓥 = f𝝺 )(2019)
Chapter No.13: Propagation And Reflection Of Light
1) Difference between Real image and virtual image? (2008, 2014)2) Define the following terms:
(i) Regular reflection,(2009)
(ii) Refractive index. (2009)
(iii) Irregular Reflection (2010)
(iv) Radius of Curvature (2010)
(v) Magnification of Concave Mirror (2010)
(vi) Magnification ( 2011)
(vii) Focal length of concave mirror. ( 2011)
3) Define total internal reflection with the help of a ray diagram and Write down the 2 conditions necessary for it.(2009)
4) Write down the four uses of spherical mirror? (2009, 2017)
5) Draw a ray diagram of the image formed by a plane mirror and write its three characteristics . (2009) OR
◾ Write three characteristics of the image formed in a plane mirror? (2012,2013) OR
◾ Draw the ray diagram for formation of image in a plane mirror. (2011)
6) Draw ray diagram only to show the nature, position and size of the images formed by a concave mirror. When the object is placed ;
(a) at the center of curvature of the mirror.
(b) between the center of curvature and the principal focus (2010)
7) Draw Ray diagram for image formed by Concave mirror and write its characteristics.(2011)
8) Write three uses of concave mirror? (2012)
9) Define reflection of light and also state the two laws of reflection of light? (2013)
10) Show the image formation and characteristics by convex mirror with the help of
ray diagram? (2014)
11) Write with the help of figure, write the four rules of reflection of rays of light
by concave mirror? (2014)
12) Who invented pin-hole camera? Show image formed by its labeled diagram?
(2015)
13) Describe sign convention for real and virtual image. (2015)
14) Define irregular reflection of light and also write two points of its importance? (2016)
15) With the help of a ray diagram derive the mirror equation 1/f = 1/p + 1/q . (2018)
Numerical:
1) An object is placed at a distance of 15 cm from a concave mirror of focal length 10 cm. Find the position and nature of the image formed by it. (2009) ( Hint: Formula ; 1/f = 1/p + 1/q)
2) The radius of curvature of a concave mirror is 20 cm. Where should an object be placed so as to get its real image magnified twice. (2012) ( Hint: Formula ; M = q/p and 1/f = 1/p + 1/q)
3) The focal length of a concave mirror is 10 cm where should an object be placed so as to get its real image magnified 4 times.(2016) ( Hint: Formula ; 1/f = 1/p + 1/q)
4) The focal length of a concave mirror is 15 cm where should an object be placed so as to get its real image magnified three times (thrice).(2019) ( Hint: Formula ; 1/f = 1/p + 1/q)
Chapter No.14: Refraction Of Light And Optical Instrument
1) Define(i) Total Internal Reflection (2010)
(ii) Refractive Index (2010)
(iii) Critical Angle (2010)
(iv) Power of a lens (2010, 2016)
(v) Magnifying Glass (2010)
(vi) (2011)
2) Draw the (neat and ) labelled diagram of compound Microscope and write (describe) its working. (2008, 2011, 2013, 2016) OR
3) State Snell’s law? (2011, 2016)
4) Draw the neat and labelled diagram of simple Microscope. write down the characteristic of image formed by it and the formula of its magnifying power. (2012)
5) Draw ray diagram of compound microscope describe its working? (2013)
6) With the help of prism, Draw solar spectrum of dispersion of light? (2014)
7) Draw the diagram of defects of eyes. Describe short and long sightedness. ( 2014) OR
◾ With the help of diagram show and explain short sightedness amd long sightedness and its correction.(2015)
8) With the help of Snell's law prove that there is no change in direction of refracted ray if the incident ray is perpendicular on the surface separating the two media. (2015)
9) Draw a ray diagram of an Astronomical Telescope and describe its working.( 2017)
10) Name two main defects of Human Eye. Describe with the help of ray diagrams show the defects and their corrections. (2019)
Numerical:
1) A convex lens forms a virtual image of an object placed 5 cm away from the optical center at a distance of 10 cm. Determine the focal length of the convex-lens. (2010) OR
◾ Find the focal length of a convex lens. If P = 5cm, q = 10 cm and the image formed is virtual.(2011, 2013) ( Hint: Formula ; 1/f = 1/p + 1/q)
2) Find the Focal length of a concave lens. If P =5 cm, q = 10 cm and the image formed is virtual. (2011) ( Hint: Formula ; 1/f = 1/p + 1/q)
3) The focal length of a convex lens is 20 cm. If the image formed by it is twice in size. Find the position of the object. (2014) ( Hint: q= 2p, Formula ; 1/f = 1/p + 1/q)
4) An object is placed 10 cm from a convex lens of focal length 15 cm . Find the position and magnification of a image. (2015) ( Hint:Formula ; 1/f = 1/p + 1/q and magnification = p/q )
5) Calculate the distance of object from a convex lens having a focal length of 15 cm if the magnification is 3 and the image is real. (2017) ( Hint:Formula ; 1/f = 1/p + 1/q )
6) The focal length of a convex lens is 18 cm. An object 5cm high is placed at a distance of 12 cm from the lens. Determine the position, nature and the height of the image (2018) ( Hint:Formula ; 1/f = 1/p + 1/q and height: hi/ ho = p/q )
Note: No question in 2009
Chapter No.15: Nature Of Light And Electromagnetic Spectrum
1) Write Newton’s Corpuscular theory of light? (2009, 2017) OR◾ What is Newton’s Corpuscular theory of light? Write down two phenomena which support this theory. (2012)
2) Define
(i) Photon (2010, 2013)
(ii) Electrostatic induction (2012)
(iii) Rainbow (2013)
(iv) Dispersion of light (2010, 2011, 2013, 2016)
(v) Spectrum (2014)
3) What is the Wave Theory of light? Write down two phenomena which support this theory (2010)
4) Write down four similarities between electrostatic induction and magnetism. (2010)
5) Define quantum theory of light? (2011) OR
◾ Define quantum theory of light and explain dual nature of light (2016)
6) Compare between Newton;s corpuscular theory and Huygens's wave theory of light.(2015)
7) Describe briefly any four electromagnetic waves with their ranges. (2019)
Chapter No.16: Electricity
1) Define(i) Direct Current (2009)
(ii) Ampere (2011)
(iii) Volt (2011)
(v) Farad (2011)
(vi) ohm (2011)
(vii) Alternative current (2012)
(viii) Electric field (2012)
(ix) electrostatic induction (2012)
2) State(define) and explain Coulomb's Law derive the equation
(2009, 2012) OR◾ State Coulomb's Law Write down its equation. Mention the value of K in S.I units. (2018)
3) Write down any three characteristics of resistance. (2009)
4) What is an electric capacitor? Write down three factors upon which its capacity depends. (2010) OR
◾ Define the capacity of a capacitor depend (2012)
5) Derive the relation W = I2Rt (2012) (TIP: Joule's law)
6) Write down any three characteristics of resistance connected in parallel? (2012)
7) State the following
(i) Coulomb's law (2013, 2017)
(ii) Ohm's law (2013, 2017) and
(iii)Joule's law (2013) OR
◾ State Joule's law and derive equation W= I2Rt (2019)
8) Define electrostatic induction in four steps with the use of two metal spheres? (2015)
9) Define primary cell and write its four examples. (2017)
10) Write down the three characteristics of the resistance joined in series and draw the
labeled diagram of series resistance? (2008)
Numerical:
1) Find the potential difference between two ends of a conductor if its resistance is 5 ohms and a current of 500 milliampere is passing through it. (2009) ( Hint: Formula ; V=IR)
2) A 100 - watt bulb operates in a 220 v circuit; Find the current through the bulb. (2010) ( Hint: Formula ; P = VI or I= P/V; and V=IR or R = V / I)
3) Calculate amount of current passing through an electric heater if It takes 1800 C of charge to heat in 3 min.(2011) ( Hint: Formula ; I= q /t )
4) Find the resistance of an electric bulb, if 0.6 A current is passing through the bulb and the potential difference across the bulb is 90 Volts. (2012, 2017) ( Hint: Formula ; V=IR)
5) Three resistance of 4Ω, 6Ω and 12Ω are connected in parallel with a source of 6 volt. Find the current flowing through the circuit.(2013) ( Hint: Formula ; 1/ R e = 1 / R 1 + 1 / R 2 +1 / R 3 and V=IR)
6) Calculate the amount of work done in carrying a charge of +2.5վC from A to B. If A is a potential of -60 V and B is at 10 V. (2014) ( Hint: Formula ; W= Vq)
7) A parallel circuit contains 80 (ohms) heater and 20 (ohms) element. What will be the current passing through circuit if it is driven by a voltage of 80 volts. Also find the equivalent resistance. (2015) Hint: Formula ; 1/ R e = 1 / R 1 + 1 / R 2 and V=IRe)
8) Calculate the current of electric heater, If 1800 coulomb charge passes through it in 3 minutes. (2016) ( Hint: Formula ; I = q/ t )
9) Tw0 resistance of 4Ω and 6Ω are connected in parallel and then joined to a source having an emf of 12 volt. Find the value of equivalent resistance of the circuit and the total current flowing through the circuit.(2018) ( Hint: Formula ; 1/ R e = 1 / R 1 + 1 / R 2 and V=IRe)
10) An electronic heater has a resistance of 20 Ohm, woris at a potential difference of 220 volts. Find the current passing through the heater and the power. (2019) (Hint: Formula: V=IR, P=VI)
Chapter No.17: Magnetism And Electromagnetism
1) Define(i) Electromagnet (2009)
(ii) Magnetic field (2011)
2) What is an electromagnet? Illustrate it with a labeled diagram and also write its two
uses? (2010)
3) Draw a labelled diagram of an electric bell. (2011) OR
◾ With the help of a labelled diagram. explain the construction and working of an electric bell. (2013) OR
◾ Draw diagram of an electric bell and describe its working . (2015) OR
◾ Write the construction and working of electric bell with diagram? (2017)
4) What is an ammeter? How galvanometer is is changed into an ammeter? Also state
how an ammeter is connected in an electrical circuit? (2013)
5) How can we convert a galvanometer into ammeter and voltmeter? Also draw relevant
diagram) (2018) OR
◾ How is a galvanometer converted into ammeter and voltmeter?(Show only by
labeled diagram) (2014)
6) Define electric motor and write down two factors on which its speed depends? (2014, 2007)
◾What are simple electric motors? Write down its construction and working with diagram.(2019)
7) Write the name of three elements by which magnets are artificially made by their
alloy and also write three modern uses of magnet? (2015)
8) Write four similarities of static electricity and magnetism? (2010, 2016)
9) Give Scientific reason:
(a) Why is an ammeter, low resistance connected in parallel with the coil of galvanometer? (2019)
Chapter No.18: Electronics
1) Define the following terms:(i) Transistor (2009)
(ii) Radar (2009)
(iii) Doping (2011, 2012, 2013, 2017)
(iv) Electronics (2013)
(v) Rectification (2013)
(vi) Rectifier (2017)
2) Write two point of difference between
(i) P-type substance and N-type substance (2009, 2013, 2019)
3) Define Reflection? Describe the working of a semi-conductor diode as a rectifier? (2010)
4) What is Transistor? Write its two advantages? (2011)
5) What is Radar? Write down its three uses? (2011, 2017, 2018)
6) What are Transistors? Describe its two types of transistor with the help of diagram. (2012, 2019)
7) Write down three differences between "Forward biased & Reverse biased"? (2014, 2017)
8) What is Transistor? Draw the symbolic diagram of two types of transistor? (2015)
Chapter No.19: Nuclear Physics
1) Write down four Properties of alpha rays? (2008, 2009, 2010, 2017)2) Define :
(i) Half life of an element. (2009, 2016, 2017)
(ii) Half life of radioactive element. (2011)
(iii) Nuclear reactor (2012, 2016)
(iv) Proton (2012)
(v) Nuclear Fission (2017)
3) Write two point of difference between
(i)fission and fusion reaction (2008, 2009)
4) Write down three precautions to minimize the radiation hazards? (2010, 2016)
5) What is natural radio activity? (2008. 2010)
6) Define radio-isotopes and state its one use in agriculture and two uses in medicine? (2011)
7) Define Fission reaction or nuclear fission reaction. Write down its equation and draw the diagram for or explain chain reaction.(2011, 2014)
8) Define radio-isotopes? Write down the uses of following three radio isotopes: (i) Co-60 (ii) I-131 (iii) P-32
9) Write down three difference between alpha and beta rays? (2008, 2012, 2014)
10) Write two difference between fission and fusion reaction? (2013, 2016, 2018)
11) Describe any three laws of fusion. (2014)
12) Write three uses of laser technology (2014)
13) Draw the diagram of nuclear reactor and describe the importance of boron rod.(2014)
14) What is natural radio activity? Name three elements which emit powerful radiations and write the range of velocity of particles of negative rays emitted during radioactivity. (2015)
15) Write two uses of radioisotopes in medicine and one use in industry? (2016,)
Numerical:
1) In a nuclear reaction, 9 x 1010 J of energy is released due to conversion of mass into energy. How much mass has been converted into energy?( speed of light = 3.8 x 108 m/s) (2011, 2017) ( Hint: Formula ; E= mc2)
2) The half life of radium is 1600 years Find the amount of radium. left after 4800 years if its mass is 60 g. (2013) ( Hint: Formula ; (i) Number of half life in 4800 years = 4800 / 1600 = 3, (ii) mass remaining after 1st life = 1/ 2 X 60 = 30 g , mass remaining after 2nd life = 1/2 X 30 = 15 g, mass remaining after 3rd life = 1/2 X 15 = 7.5 g Ans )
3) How much energy will be released when 50 gm mass is completely transferred to energy.by Einstein's equation. (2014) ( Hint: Formula ; E= mc2)
◾ How much energy will be released when 20 gm mass is completely transferred to energy. (2019) ( Hint: Formula ; E= mc2)
4) With the help of Einstein's equation. Find the mass transformed to energy when the speed of light is 3.8 x 108 m/s and the energy released during nuclear reaction is 9 x 1016 J . (2015) ( Hint: Formula ; E= mc2)
5) The half life of 83I131 is 8 days. Find the amount of Iodine. left after 16 days from a sample of 100 g. (2016) (Hint: Formula (i) Number of half life in 16 days= 16 /8= 2, (ii) mass remaining after 1st life = 1/ 2 X 100 = 50 g, mass remaining after 2nd life = 1/2 X 50 = 25 g Ans )
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