1. The SI unit of specific heat capacity is:
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2. Which factor does NOT affect evaporation?
3. Why are cooking utensils made of metal?
4. High specific heat capacity of water helps in:
5. Superconductivity was first discovered in:
6. Superconductors show zero resistance below:
7. Which of the following is a greenhouse gas?
8. The energy required to change 1 kg of substance from solid to liquid is called:
9. Antinodes in a standing wave are points of:
10. At constant volume, pressure of a gas is directly proportional to:
11. Black pots are used in solar cookers because:
12. Solar cooker works mainly on:
13. Which type of wave requires a material medium?
14. Latent heat is the heat required to:
15. Which has higher latent heat of vaporization?
16. Which phenomenon supports kinetic theory of matter?
17. Which state of matter is most compressible?
18. Energy carried by a wave is proportional to:
19. Which quantity remains constant during thermal expansion?
20. Geothermal energy is considered: