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

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

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

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

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

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

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

7. Evaporation causes:

8. Which statement is NOT true for boiling?

9. Salty water evaporates:

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

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

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

13. Specific heat of water is :

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

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

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

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

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

19. Which statement is true for evaporation?

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