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One mole of an ideal monoatomic gas at t...

One mole of an ideal monoatomic gas at temperature T and volume 1 L expands to 2 L against a constant external pressure of one atm under adibatic conditions, then final temperature of gas will be :

A

`T+(2)/(3xx0.0821)`

B

`T-(2)/(3xx0.0821)`

C

`(T)/(2^(5//3-1)`

D

`(T)/(2^(5//3+1)`

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The correct Answer is:
B
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