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JEE Mains Model Paper 24

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Question : 15

Total: 90

A cubic vessel (with faces horizontal + vertical) contains an ideal gas at NTP. Thevessel is being carried by a rocket which is moving at a speed of 500 ms−1 in verticaldirection. The pressure of the gas inside the vessel as observed by us on the ground

remains the same because 500 ms−1 is very much smaller than vrms of the gas
remains the same because motion of the vessel as a whole does not affect therelative motion of the gas molecules and the walls
will increase by a factor equal to (vrms2+(500)2)∕vrms2 was the originalmean square velocity of the gas
will be different on the top wall and bottom wall of the vessel

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