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

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

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

3. The S.I unit of heat is:

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

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

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

7. Volatile liquids have:

8. Specific heat of water is :

9. Heat is the form of ___________

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

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

12. Heat capacity is the product of mass and ____________

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

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

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

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

17. Which statement is true for evaporation?

18. Wet clothes dry in sun due to the:

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

20. Salty water evaporates: