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As the temperature is raised from 20^@C ...

As the temperature is raised from `20^@C " to " 40^@C`, the average kinetic energy of neon atoms changes by a factor of which of the following?

A

`1//2`

B

2

C

`313//293`

D

`sqrt(313//293)`

Text Solution

Verified by Experts

The correct Answer is:
C
`T_(1) = 20 + 273 = 293 K`
`T_(2) = 40 + 273 = 313 K`
`bar(K.E.) = (3)/(2) kT`
At 293 K
`bar(K.E._(1)) = (3)/(2) k xx 313`
At 313 K
`bat(K.E._(2)) = (3)/(2) k xx 313`
`(bar(K.E._(2)))/(bar(K.E._(1))) = (313)/(273)`
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