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If one mole of a monatomic gas (gamma=5/...

If one mole of a monatomic gas `(gamma=5/3)` is mixed with one mole of a diatomic gas `(gamma=7/5)`the value of `gamma` for the mixture is :

A

1.4

B

1.5

C

1.53

D

3.07

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The correct Answer is:
B
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