Practice MCQs For Thermal Physics

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This quiz contains practice questions for GCE ‘O’ level topic: Thermal Physics. There are explanations for some of the questions after you submit the quiz. If you could not figure out why a particular option is the answer, feel free to drop a comment below or ask a question in ‘O’ & ‘A’ Level Discussion section of the forum. If you wish to contribute questions to this quiz, please contact us.

The quiz comprises of 10 questions, which are randomly selected from a large pool of questions. After completion, you can refresh the page and try the quiz again for a new set of 10 questions.

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1. The diagram shows a cross-section through a rain-water puddle formed in a shallow hole in a road surface.

Over a period of time, air temperature, wind speed and win direction remains constant.

What happens to the rate of evaporation of water from the puddle?
2. In a vacuum flask, which methods of heat transfer are prevented by the vacuum?
3. Which of the following statements is true in relation to the transfer of energy?
4. The specific latent heat of vaporization of water is about 6.7 times than that of the specific latent heat of fusion of water. What is the ratio of the latent heat of vaporization of 6.7 kg of water compared to the latent heat of fusion of 1 kg of water?
5. A teacher has a large tank of water in which he wants to set up a convection current.

Which of the following arrangements would do this?
6. How can the sensitivity of a liquid-in-glass thermometer be increased?
7. Heat energy is supplied at the same rate to 100 g of paraffin and to 100 g of water in similar containers.

Why does the temperature of the paraffin rise more quickly?
8. When ice melts to become water, which force must be overcome?
9. A hot liquid is poured into a beaker. The graph shows how the temperature of the liquid changes as it cools towards room temperature.

hot liquid in beakerWhat is occurring at region X?
10. A 200 g mass of copper is heated for 40 s by a heater that produces 3000 J/min.

The specific heat capacity of copper is 400 J/(kg K).

What is the rise in temperature?

 

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