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CBSE-XI-Physics

27: Specific Heat Capacities of Gases

with Solutions -
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  • #2
    For a solid with a small expansion coefficient,
    (a) Cp - Cv = R
    (b) Cp = Cv
    (c) Cp is slightly greater than Cv
    (d) Cp is slightly less than Cv
    Ans : c) Cp is slightly greater than Cv
    For a solid with a small expansion coefficient, work done in a process will also be small. Thus, the specific heat depends slightly on the process. Therefore, Cp is slightly greater than Cv.
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