Everyday Science · Physics in Everyday Life · page 40 of 41
Heat & Thermodynamics MCQs with Answers
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Past paper MCQs in this chapter · See all past papers
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- 391.
Boyle's and Charles's Laws are readily explained in terms of the _?
- 392.
Which law of thermodynamics states that energy cannot be created or destroyed, only converted from one form to another?
- 393.
The average translational kinetic energy of O2 (relative molar mass 32) molecules at a particular temperature is 0.048 eV. The translational kinetic energy of N2 (relative molar mass 28) molecules in eV at that same temperature is?
- 394.
Past Paper MCQ
Heat of sun reaches the earth by ?
- 395.
When water boils, its temperature _?
- 396.
A frictionless heat engine can be 100% efficient only if its exhaust temperature is _?
- 397.
If air pressure and temperature increase, what happens to the volume of O₂ and N₂?
- 398.
Why does water boil below 100°C at higher altitudes?
- 399.
The fact that when the temperature of a given gas is held constant, its density is proportional to the absolute pressure. It is another statement of ?
- 400.
The amount of heat required to vaporize one mole of a liquid at its boiling point is called?