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

1. Boiling point of water is:

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

3. Thermal energy transfer required per unit mass to increase the temperature by 1^oC or 1K is called ____________

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

5. Which statement is NOT true for boiling?

6. Which one is correct to convert temperature from Celsius scale to Kelvin scale?

7. Heat is the form of ___________

8. The S.I unit of heat is:

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

10. Wet clothes dry in sun due to the:

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

12. Evaporation can occur at ____________

13. Which statement is NOT correct?
The rate of evaporation increases with:

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

15. Heat capacity is the product of mass and ____________

16. This scale of temperature is mostly used for environmental measurements.

17. Heat capacity depends upon the nature of material

18. A fixed temperature at which a pure liquid boils is called ________

19. The melting point of ice at normal atmospheric pressure is called ___________

20. The heat of fusion for water at 0^oC is approximately: