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The average translational energy and the...

The average translational energy and the rms speed of molecules in a sample of oxygen gas at `300K` are `6.21xx10^(-21)J` and `484m//s`, respectively. The corresponding values at `600K` are nearly (assuming ideal gas behaviour)

A

`12.42 xx 10^(-21) J,968 ms^(-1)`

B

`8.78 xx10^(-21) J, 684 ms^(-1)`

C

`6.21 xx 10^(-21) J, 968 ms^(-1)`

D

`12.42 xx 10 ^(-21) J, 684 ms ^(-1)`

Text Solution

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The correct Answer is:
D
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