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JEE Advanced 2026 Paper 1

Section: Physics

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Question : 17 of 48

Marks: +1, -0

An ideal gas (0.5 mol), initially at 2 bar pressure, is compressed at a constant temperature of 600 K in two steps: first, against a constant external pressure of P bar (2 < P < 8), and then against constant external pressure of 8 bar. At each step, the compression is stopped only when the pressure of the gas becomes equal to the external pressure. The total work done on the gas in these steps is W. Considering all possible values of P (2 < P < 8) and taking the gas constant as R (in J K^{−1} mol^{−1}), the minimum value of | W | (in J) is

[JEE Adv 2026 P1]

207R
600R
630R
900R

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