A certain amount of gas |KTG & THERMODYNAMICS|JEE MAIN 2022

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JEE MAIN 2022

25-07-2022 S1

Question

A certain amount of gas of volume V at $27^{\circ} \mathrm{C}$ temperature and pressure $2 \times 10^7 \mathrm{Nm}^{-2}$ expands isothermally until its volume gets doubled. Later it expands adiabatically until its volume gets redoubled. The final pressure of the gas will be (Use $\gamma=1.5$ )

Select the correct option:

A

$3.536 \times 10^5 \mathrm{~Pa}$

B

$3.536 \times 10^6 \mathrm{~Pa}$

C

$1.25 \times 10^6 \mathrm{~Pa}$

D

$1.25 \times 10^5 \mathrm{~Pa}$

✓ Correct! Well done.

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Solution

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