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

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

2. Boiling point of water is:

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

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

5. Heat capacity depends upon the nature of material

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

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

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

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

10. Specific heat of water is :

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

12. Which statement is NOT true for boiling?

13. Evaporation can occur at ____________

14. Thermometer is a device, used to measure:

15. Heat is the form of ___________

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

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

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

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

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