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  • By what factors does average velocity of a gas molecule increases when temperature (in k) to doubles __Option: 1 2.0<div class='qna-opt

By what factors does average velocity of a gas molecule increases when temperature (in k) to doubles __

Option: 1

2.0


Option: 2

2.8


Option: 3

4.0


Option: 4

1.4


Answers (1)

best_answer

\mathrm{ \bar{c}=\sqrt{\frac{8 R T}{\pi M}}}

when T is doubled ,

\mathrm{\bar{c}_1=\sqrt{\frac{8 R \times 2 T}{\pi M}}=\sqrt{2} \sqrt{\frac{8 R}{\pi M}}}

\mathrm{\bar{c}_1=\sqrt{2} \bar{c}=1.4 \bar{c}}

Posted by

himanshu.meshram

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