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The rms speed of a sample of a gas at 27...

The rms speed of a sample of a gas at `27^(0)C` and 1 atmosphere pressure is 200 m/s. If the temperature is increased by 100K and the pressure is made 2 atmospheres the new rms speed is close to

A) 140m/s

B)320m/s

C) 284m/s

D) 230m/s

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