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Discussion :: GATE Mechanical

  1. For an opaque surface, the absorptivity (α) , transmissivity (t) and reflectivity (ρ) are related by the equation:
    2. A.
    α + ρ = t
    B.
    α + ρ + t = 0
    C.
    α + ρ = 1
    D.
    α + ρ = 0

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    Workspace

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    Answer : Option C

    Explanation :

    -NA-

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