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

1. Which statement is true for evaporation?

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

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

4. Specific heat of water is :

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

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

7. Evaporation causes:

8. The Heat of vaporization for water at 100^oC is about:

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

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

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

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

13. Evaporation can occur at ____________

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

15. Wet clothes dry in sun due to the:

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

17. Heat is the form of ___________

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

19. Boiling point of water is:

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