1.

`0.014` kg of nitrogen is enclosed in a vessel at a temperature of `24^(@)C.` At which temperature the rms velocity of nitrogen gas is twice it’s the rms velocity at `27^(@)C`?A. 1200 KB. 600 KC. 300 KD. 150 K

Answer» Correct Answer - A
Using, `v_(rms)=sqrt((3RT)/(m))`
or `((v_(rms))_(1))/((v_(rms))_(1))=sqrt((T_(1))/(T_(2)))" "(therefore"R and m are constant)"`
According to question, `(v_(rms))_(2)=2(v_(rms))_(1)`
`therefore(v_(rms))_(1)/(2(v_(rms))_(1))=sqrt((300)/(T_(2)))implies1/4=(300)/(T_(2))`
`T_(2)=300xx4=1200K.`


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