Physics Practice: Heat & Energy (Mock Test 3 - Advanced)
1. The numerical value of temperature which is the same on both Celsius and Fahrenheit scales is:
2. When a bimetallic strip of iron and brass is heated, it bends towards the iron side because:
3. The heat capacity of a body depends on ________.
4. Aquatic life survives in cold countries even when the lake surface is frozen because ________.
5. Which of the following color combinations is best for a tea pot to keep tea hot for a longer time?
6. The kinetic energy of a body of mass $m$ moving with velocity $v$ is given by:
7. Hope's Experiment is used to demonstrate the ________.
8. A calorie is the amount of heat required to raise the temperature of $1\text{ g}$ of water from ________.
9. Global warming increases the concentration of water vapor in the atmosphere, which further ________ the greenhouse effect.
10. When an object falls freely towards the ground, its potential energy is converted into ________.
11. The SI unit of specific heat capacity is ________.
12. Cooking utensils are provided with wooden handles because wood is a ________.
13. In which mode of heat transfer do the particles of the medium actually move from one place to another?
14. $0\text{ K}$ is equal to ________.
15. A solar heater is painted black from inside to ________.
16. When two bodies at different temperatures are kept in contact, heat flows until they reach ________.
17. Which of the following is the main greenhouse gas?
18. The energy stored in a wound-up watch spring is ________ potential energy.
19. Density of water is ________ at 0°C than at 4°C.
20. Specific heat capacity of a substance depends on its ________.