Energy Sources and Transfer of Energy - Physics For Class IX (Science Group) - Self Assessment Questions and Test book Exercise

Go To Index

Physics For Class IX (Science Group)
UNIT 9: THERMAL PROPERTIES OF MATTER
Self Assessment Questions and Test book Exercise

Self Assessment Questions:

Q.1: Differentiate between heat and temperature.
Ans: Difference Between Heat and Temperature:

S.NO.	Heat	Temperature
1.	It is the form of energy.	It is a degree of hotness of a body.
2.	Heat transfers from hot body to cold body as a result of difference of temperature between them.	It determines the direction of flow of heat from one body to the other body.
3.	Heat of a body is the sum of all kinetic and potential energy of all the molecules constituting the body	Temperature of a body is the average kinetic nergy of its molecules.
4.	Heat can be measures by a calorimeter.	Temperature of a body is measured by a thermometer.
5.	Its SI unit is joule. Its other unit is calorie.	SI unit of temperature is Kelvin. Its other units are Celsius (C) and Fahrenheit (F).