Q.

The relation between root mean square speed (vrms) and most probable speed (vp) for the molar mass M of oxygen gas molecule at the temperature of 300 K will be :-

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a

(vrms) =32Vp

b

(vrms) =Vp

c

(vrms) =13Vp

d

(vrms) =23Vp

answer is B.

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Detailed Solution

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(vrms)=3RTM   and  Vmp = 2RTM 

Thus (vrms) =32Vmp

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The relation between root mean square speed (vrms) and most probable speed (vp) for the molar mass M of oxygen gas molecule at the temperature of 300 K will be :-