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The mass of hydrogen molecule is 3.32xx1...

The mass of hydrogen molecule is `3.32xx10^(-27)` kg. If `10^(23)` hydrogen molecules strick per second at 2 `cm^(2)` area of a rigid wall at an angle of `45^(@)` from the normal and rebound back with a speed of 1000 `ms^(-1)`, then the pressure exerted on the wall is

A

`2.35xx10^(7)" N"//"m"^(2)`

B

`4.70xx10^(2)" N"//"m"^(2)`

C

`2.35xx10^(3)" N"//"m"^(2)`

D

`4.70xx10^(3)" N"//"m"^(2)`

Text Solution

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The correct Answer is:
C
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