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JEE PHYSICS MCQ: THERMODYNAMICS

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A hypothetical gas expands adiabatically such that its volume changes from 08 litres to 27 litres. If the ratio of final pressure of the gas to initial pressure of the gas is 1681\frac{16}{81}. Then the ratio of CpCv\frac{C_{p}}{C_{v}} will be
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Correct option: A
43\frac{4}{3}
Option A (43\frac{4}{3}) is correct because it is calculated using the adiabatic process equation PVγ=constantP V^{\gamma} = constant and solving for γ=CpCv\gamma = \frac{C_p}{C_v}.

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The work done in which of the following process is zero? Water is used to cool the radiators of engines in cars because A gas expand 0.25  m30.25\,\,{m^3} at constant pressure 103N/m2,{10^3}N/{m^2}, the work done is A thermodynamic process in which temperature TT of the system remains constant though other variable PP and VV may change, is called What is the slope for an isothermal process? For adiabatic processes (γ=CpCv)\left( {\gamma = \frac{{{C_p}}}{{{C_v}}}} \right)
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