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Discussion :: Heat and Mass Transfer

  1. Depending on the radiating properties, a body will be black when
    (Where a = absorptivity, p = reflectivity, X = transmissivity.)

    2. A.

     P = 0, x = 0 and a = 1
    B.

     P= 1, T = 0 and a = 0
    C.

     P = 0, x = 1 and a = 0
    D.

     X = 0, a + p = 0

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    Answer : Option A

    Explanation :

    Depending on the radiating properties, a body will be black when P = 0, x = 0 and a = 1
    (Where a = absorptivity, p = reflectivity, X = transmissivity.)

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