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6xx10^(22) gas molecules each of mass 10...

`6xx10^(22)` gas molecules each of mass `10^(-24)kg` are taken in a vessel of 10 litre. What is the pressure exerted by gas molecules ? The root mean square speed of gas molecules is `100 m//s`.

A

20 Pa

B

`2xx10^(4) Pa`

C

`2xx10^(5) Pa`

D

`2xx10^(7) Pa`

Text Solution

Verified by Experts

The correct Answer is:
b
(b) `P=(1)/(3)(nmc^(2))/(V)`
`=(1)/(3)xx(6xx10^(22)xx10^(-24)xx(100)^(2))/(10xx10^(-3))`
`=2xx10^(4)"Pa"`
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