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Question
The coefficient of absorption of a body is equal to its coefficient of emission at a given temperature is called ______.
Options
Stefan’s law
Newton’s law of cooling
Kirchoff’s law of heat radiation
Boyle’s law
MCQ
Fill in the Blanks
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Solution
The coefficient of absorption of a body is equal to its coefficient of emission at a given temperature is called Kirchoff’s law of heat radiation.
Explanation:
At thermal equilibrium, the absorptivity of a body is equal to its emissivity at a given wavelength and temperature.
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