A mixture of two gasses A and B is kept in a vessel which is maintained at a temperature T. In the vessel there are N molecules each of mass m, of the gas A and 2N molecules each of mass 2m of the gas B. The mean square velocity of the molecules of the gas B is v 2 and the mean square velocity of the molecules of the gas A along the x direction is 
2 . The value of 
is
A
2
B
1
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Mean kinetic energy of the two types of molecules should be equal. The mean square velocity of A type molecules 
Therefore, 
This gives 
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