MHT-CET

Thermodynamics question bank (Physics)

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Q1.

In thermodynamic processes, which one of the following statements is 'NOT' correct ?

(A)
In an isothermal process, temperature remains constant.
(B)
In an adiabatic process, $Pv^\gamma =$ constant.
(C)
In an isochoric process, pressure remains constant.
(D)
In an adiabatic process, there is no exchange of heat with the surroundings.
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Q2.

A gas for which $\gamma = {5}/{3}\ \left(\gamma = {C_p}/{C_v}\right)$ is heated at constant pressure. The percentage of heat supplied used for external work is

(A)
$20\ \%$
(B)
$40\ \%$
(C)
$60\ \%$
(D)
$80\ \%$
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