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JEE Main & Advanced Physics Transmission of Heat Question Bank Radiation General Kirchoff's law Black body

  • question_answer
    There is a black spot on a body. If the body is heated and carried in dark room then it glows more. This can be explained on the basis of                                                                 [RPET 2000]

    A)            Newton?s law of cooling 

    B)            Wien?s law

    C)            Kirchoff?s law                       

    D)            Stefan?s

    Correct Answer: C

    Solution :

               According to Kirchoff?s law, a good emitter is also a good absorber.


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