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CENGAGE PHYSICS-TRANSFER OF HEAT-GENERAL EXERCISE
- Define conduction, convection, and radiation.
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- Explain the mechanism of conduction.
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- What are good and bad conductors of heat? Give examples.
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- Mention two uses of good conductors of heat.
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- Explain the formation of convection currents.
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- What is "Green House Effect"?
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- How can we use air as an insulator? Give examples.
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- Explain why cooking utensils have metal bottom but plastic or ebonite ...
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- Explain why radiators of vehicles have bodies made of copper.
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- How are land and sea breeze formed?
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- Why are chimneys of factories kept high?
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- Mention four uses of convection currents.
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- "A good absorber is a good emitter" is explained by
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- Mention five application of absorption and emission of heat.
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- Write down a few properties of radiation.
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- Why does a paper cup not burn when water is heated on a flame?
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- What are the differences between conduction, convection and radiation?
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