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The mass of hydrogen molecule is 3.23 xx...

The mass of hydrogen molecule is `3.23 xx 10^(-27)Kg`. If `10^23` hydrogen molecules strike `2 cm^(2)` of a wall per second at an angle of `45^(@)` with the normal when moving with a speed of `10^(5) cm s^(-1)`, what pressure do they exert on the wall ? Assume collision to be elastic.

A

`1350 N//m^(2)`

B

`2350 N//m^(2)`

C

`3320 N//m^(2)`

D

`1660 N//m^(2)`

Text Solution

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The correct Answer is:
B
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