JEE PHYSICS MCQ: THERMODYNAMICS

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A sample of perfect gas is compressed isothermally to half its volume. If it is compressed adi-abatically to the same volume, the final pressure of the gas will be:

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Correct option: A

Option A (More) is correct because adiabatic compression results in a higher final pressure compared to isothermal compression for the same volume change due to the exponent gamma being greater than 1.

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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\,\,{m^3}

at constant pressure

{10^3}N/{m^2},

the work done is A thermodynamic process in which temperature

T

of the system remains constant though other variable

P

and

V

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\left( {\gamma = \frac{{{C_p}}}{{{C_v}}}} \right)