The mass of a hydrogen molecule is 3.32 × 10 –27 kg. If 10 23 hydrogen molecules strike, per second, a fixed wall of area 2cm 2 at an angle of 45° to the normal, and rebound elastically with a speed of 10 3 m/s, then the pressure on the wall is nearly :
Text Solution
Verified by ExpertsThe correct answer is:
C
F ovg = 2NmV cos θ
Pressure = 
= 
= 2.35 × 10 3 N/m 2
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