Gas at a pressure P0 in contained is a vessel. If the masses of all the molecules are halved and their speeds are doubled, the resulting pressure P will be equal to

Q: Gas at a pressure P0 in contained is a vessel. If the masses of all the molecules are halved and their speeds are doubled, the resulting pressure P will be equal to

(a) 4P0

(b) 2P0

(c) P0

(d) P0/2

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Ans: (b)