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

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

2. Evaporation causes:

3. Specific heat of water is :

4. Salty water evaporates:

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

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

7. Heat capacity is the product of mass and ____________

8. Boiling point of water is:

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

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

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

12. Wet clothes dry in sun due to the:

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

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

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

16. It is a term in physics that describe how much heat is added to a substance to raise its temperature by 1^oC

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

18. Which statement is NOT true for boiling?

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

20. Heat capacity depends upon the nature of material