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The temperature of an ideal gas is increased from 200 K to 800 K.

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The temperature of an ideal gas is increased from 200 K to 800 K. If r.m.s. speed of gas at 200K is v0. Then, r.m.s. speed of the gas at 800 K will be

(1) v0 

(2) 4v0 

(3) v0/4

(4) 2v0

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Correct option is (4) 2v0

Increasing temperature 4 times, rms speed gets doubled.

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