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प्रश्न
Give one example of heat transfer by radiation.
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उत्तर
When we sit in the sun, we feel warm. We cannot get heat from the sun by the process of conduction or convection because most of the space between the sun and the earth is a vacuum and both of these modes of heat transfer require medium. Hence, one must be getting heat from the sun by the mode of radiation.
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संबंधित प्रश्न
No medium is required for transfer of heat by the process of ______.
Write true or false for a given statement.
Medium is necessary for the transfer of heat by radiation.
Write true or false for a given statement.
Liquids are heated by conduction and radiation.
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Heat transfer in liquids and gases is by ________.
Why is the freezing chest in a refrigerator fitted near its top?
Explain briefly the process of heat transfer by radiation.
The earth receives heat from the sun by ______.
The handles of cooking utensils are made of ______.
Wrap a thin paper strip tightly around an iron rod. Try to burn the paper with candle while rotating the iron rod continuously. Does it burn? Explain your observation.
