Physics Practice: Heat (Mock Test 3 - Advanced)
1. The amount of heat required to raise the temperature of $1 \text{ g}$ of water by $1^\circ\text{C}$ is called:
2. When a solid is heated, its molecules vibrate more vigorously, causing ________ expansion.
3. Why are small gaps left between railway tracks?
4. Which of the following is an expert application of thermal expansion?
5. Thermal radiation travels with the speed of:
6. A bimetallic strip made of brass and iron bends when heated because ________ expands more than iron.
7. The process by which sea breeze is formed is an example of ________.
8. Absolute Zero on the Kelvin scale is equivalent to ________ on the Celsius scale.
9. Water is a poor conductor of heat. Heating it from the bottom creates ________.
10. A polished, silvery surface is a ________ absorber of heat radiation.
11. A thick glass tumbler often cracks when boiling water is poured into it due to:
12. The relation between Celsius ($C$) and Fahrenheit ($F$) scales is:
13. In a vacuum, heat transfer can only happen through ________.
14. Black surfaces are ________ radiators of heat.
15. The freezing point of water on the Fahrenheit scale is:
16. Why are handles of cooking utensils made of wood or ebonite?
17. Heat energy is also known as ________ energy.
18. Expansion of a gas at constant pressure is called ________ expansion.
19. A thermos flask consists of double ________ walls.
20. Heat capacity of a body is the amount of heat required to raise its temperature by ________.