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The value closest to the thermal velocit...

The value closest to the thermal velocity of a helium atom at room temperature (300 K) in `ms^(-1) is :[ k_(B)=1.4xx10^(-23) j//k, m_(He)=7xx10^(-27) kg]`

A

`1.3 xx 10^(2)`

B

`1.3 xx 10^(3)`

C

`1.3 xx 10^(4)`

D

`1.3 xx 10^(5)`

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