All hot bodies emit heat by the process of radiation. Radiation of heat does not require a medium. Sunlight comes to the earth because of radiation as there is no medium present between the atmosphere of the earth and the sun.
One can feel the heat of bonfire by standing around it. We get warmth from the room heater because of radiation.
In a vacuum flask, which methods of heat transfer are prevented by the vaccum ? | |||
Right Option : C | |||
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The atmosphere is heated mainly by ________________________ . | |||
Right Option : B | |||
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The electric room heater works on the principle of _______________________ . | |||
Right Option : B | |||
View Explanation |
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