A flask contains 
gas. At a temperature, the number of molecules of oxygen are 
. The mass of an oxygen molecule is 
kg and at that temperature the rms velocity of molecules is 400 m / s . The pressure in 
of the gas in the flask is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
, 
, 
, 
.
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