NEET UG PHYSICS MCQ: THERMODYNAMICS

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Application +4 | -1

Calculate the work done when one mole of a perfect gas is compressed adiabatically. The initial pressure and volume of the gas are

10^5 \mathrm{~N} / \mathrm{m}^2

and 6 litre respectively. The final volume of the gas is 2 litre. Molar specific heat of the gas at constant volume is

\frac{3 R}{2}

View answer and explanation

Correct option: A

957

The correct answer is 957. The work done during an adiabatic compression is calculated using the formula

W = \frac{P_2V_2 - P_1V_1}{1-\gamma}

, where

\gamma = 1 + \frac{2}{f}

and f is the degrees of freedom.

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