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For a given gas at 1 atm pressure, rms s...

For a given gas at 1 atm pressure, rms speed of the molecule is 300m/sec at 27°C. At 2 atm pressure and at 127°C the rms speed of the molecules will be (A) 300m/sec (B) 400m/sec (C)346.4m sec (D)743m/ sec

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