Physics Practice: Heat (Mock Test 1 - Basic)
1. Heat is a form of ________ that flows from a body at a higher temperature to one at a lower temperature.
2. The degree of hotness or coldness of a body is called its:
3. The SI unit of heat is:
4. The transfer of heat in solids usually takes place by:
5. Which of the following is the best conductor of heat?
6. Transfer of heat in liquids and gases primarily occurs through:
7. The method of heat transfer that does not require a material medium is:
8. A clinical thermometer is used to measure:
9. Normal human body temperature is approximately:
10. On the Celsius scale, the lower fixed point (melting point of ice) is:
11. A bimetallic strip is used in thermostats because of the principle of:
12. Land breeze blows during the:
13. In a thermos flask, the vacuum between the two walls prevents heat loss by:
14. $1 \text{ calorie}$ is equal to approximately:
15. Dark-colored clothes are preferred in winter because they:
16. The liquid used in thermometers is generally:
17. Expansion on heating is maximum in:
18. The process of change of state from solid to liquid is called:
19. Ventillators are provided near the ceilings of rooms to allow ________ to escape.
20. Which of the following does not affect the amount of heat absorbed by a body?