Physics Practice: Heat (Mock Test 2 - Intermediate)
1. The measurement of the degree of hotness or coldness of a body is called:
2. When two bodies at different temperatures are in contact, heat flows until they reach:
3. In the Celsius scale, the upper fixed point is the boiling point of pure water at sea level, which is:
4. The mode of heat transfer that requires the actual movement of particles of the medium is:
5. Which of the following materials is a poor conductor of heat (insulator)?
6. A clinical thermometer has a range of:
7. Radiant heat energy from the Sun reaches the Earth through ________.
8. The increase in the area of a solid on heating is called ________ expansion.
9. Sea breeze blows from the sea towards the land during the day because:
10. The mercury level in a clinical thermometer does not fall back immediately due to a ________.
11. Light-colored clothes are preferred in summer because they ________ most of the heat.
12. Which of the following expands the most for the same rise in temperature?
13. To convert Celsius to Kelvin, we use the formula:
14. In a thermos flask, heat loss by radiation is minimized by ________.
15. Cooking pots are often made of metals like copper because they have ________.
16. The SI unit of Heat is the ________.
17. A bimetallic strip bends on heating due to ________.
18. Transfer of heat by convection is possible in ________.
19. $1 \text{ kilocalorie}$ is equal to ________ calories.
20. The change of state from liquid to gas at a constant temperature is called ________.