Thermal Properties of Matter – Online MCQs Test – Physics 9th

1. Joule per Kilogram per Kelvin (J kg^-1 K^-1) is the S.I unit of:

2. Thermometer is a device, used to measure:

3. Which one is correct to convert temperature from Celsius scale to Fahrenheit scale?

4. The amount of heat needed to convert a substance from liquid to gas is called________

5. Which statement is NOT true for boiling?

6. It is the degree of hotness of a body.

7. If “β” is, the coefficient of volume expansion and “∝” is the coefficient of linear expansion than:

8. The co-efficient of volume expansion of liquids is:

9. The S.I unit of heat is:

10. Evaporation causes:

11. Heat capacity is the product of mass and ____________

12. Linear thermal expansion of a solid depend upon ____________.

13. Evaporation can occur at ____________

14. Thermal energy transfer required to change a solid into liquid without changing its temperature is called ___________

15. Thermal energy transfer required to change a liquid into gas without changing its temperature is called _____________

16. Rate of evaporation of a liquid can be increased by _____________

17. It is used to control temperature of ovens, irons water heaters, refrigerators, air conditioners and so on.

18. Heat capacity depends upon the nature of material

19. Heat is the form of ___________

20. Amount of heat required to raise the temperature of 1kg of a substance through 1^oC is called: