BITSAT 2018 Paper

Section: Physics
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Question : 28 of 150
 
Marks: +1, -0
The mass of H2 molecule is 3.32 × 1024 g. If 1023 hydrogen molecules per second strike 2 cm2 of wall at an angle of 45° with the normal, while moving with a speed of 105 cm/s, the pressure exterted on the wall is nearly.
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