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Discussion :: Heat and Mass Transfer

  1. Depending on the radiating properties, a body will be opaque when

    2. A.

     P = 0, x = 0 and a = 1
    B.

     P=1, x = 0 and a = 0
    C.

     P = 0, x = 1 and a = 0
    D.

     X = 0, a + p = 1

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    Answer : Option D

    Explanation :

    Opaque body are those body where the atoms are closely packed and the light cannot pass through. Whereas a light may or may not pass through a black body depending whether it is opaque or transparent.
    Depending on the radiating properties, a body will be opaque when X = 0, a + p = 1

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