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A vessel contains 6 xx 10^(26) molecules...

A vessel contains `6 xx 10^(26)` molecules/`m^(3)`. Mass of each molecule is `6 xx 10^(-27)` kg. Assume that, on an average, one-sixth of the molecules move with a velocity `10^(3) ms^(-1)` perpendicularly towards each wall. If the collisions with the walls are perfectly elastic, then which of the following statements are correct?

A

change in momentum of each molecule is `12 xx 10^(-24)` kg `ms^(-1)` in each collision

B

The number of molecules hitting 1 `m^(2)` of the wall per second is `10^(29)`

C

Total change in momentum of all molecules is `10^(31)` SI units

D

The number of molecules hitting one square metre of the surface is `6 xx 10^(29)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
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