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The translational kinetic energy of mole...

The translational kinetic energy of molecules of one mole of a monoatomic gas is U = 3NKT/2. The value of atomic specific heat of gas under constant pressure will be :

A

`(3)/(2) R`

B

`(5)/(2) R`

C

`(7)/(2) R`

D

`(9)/(2) R`

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The correct Answer is:
B
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