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An ideal gas is expanded adiabatically a...

An ideal gas is expanded adiabatically at an initial temperature of 300 K, so that it's volume is doubled. The final temperature of the hydrogen gas is
(Take, `gamma` = 1.40).

A

227.36 K

B

500.30 K

C

454.76 K

D

-47°C

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The correct Answer is:
a
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