JEE Main & Advanced Physics Transmission of Heat Question Bank Topic Test - Transmission of Heat (3-5-21)

  • question_answer
    A hot body will radiate heat most rapidly if its surface is

    A) White & polished

    B) White & rough

    C) Black & polished

    D) Black & rough

    Correct Answer: D

    Solution :

    Black and rough surfaces are good absorber that’s why they emit well. (Kirchoff's law).

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