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Discussion :: Heat and Mass Transfer

  1. All radiations in a black body are

    2. A.

     Reflected
    B.

     Refracted
    C.

     Transmitted
    D.

     Absorbed

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    Answer : Option D

    Explanation :

    an object that absorbs all radiation falling on it, at all wavelengths, is called a black body. When a black body is at a uniform temperature, its emission has a characteristic frequency distribution that depends on the temperature. Its emission is called black-body radiation.

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