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By what factor does the average velocity...

By what factor does the average velocity of a gaseous molecule increase when the absolute temperature is doubled ?

A

`2.0`

B

2.8

C

`4.0`

D

1.1

Text Solution

Verified by Experts

The correct Answer is:
D
Average velocity ` = sqrt((8RT)/( pi M )) ` or `u_(av) ` or `sqrt( T )`
`((u_(av) )_(2))/( (u_(av))_(1))= sqrt((2T)/( T)) = 1.414`
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