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A cubical box of side 1 m contains heliu...

A cubical box of side 1 m contains helium gas (atomic weight=4) at pressure `100 N.m^-2` During an observation time of 1s, an atom travelling with rms speed parallel to one of the edges of the cube was found to make 500 hits with a perpendicular wall without any collisions with other atoms.
Evaluate the temperature of the gas

A

125K

B

160K

C

181K

D

185K

Text Solution

Verified by Experts

The correct Answer is:
D
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