The r.m.s. velocity of the molecules in the sample of helium is 5/7tht – McqOptions

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1.	The r.m.s. velocity of the molecules in the sample of helium is 5/7ththat of the molecules in the sample of hydrogen. If the temperature of the hydrogen sample is 0°C ,then temperature of helium is ?
A.	0°C
B.	120°C
C.	273°C
D.	100°C
Answer» B. 120°C

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