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Assertion Total internal energy of oxyge...

Assertion Total internal energy of oxygen gas at a given temperature is E of this energy `3/5` E is rotational kinetic energy.
Reason Potantial energy of an ideal gas is zero.

A

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

B

If both Assertion and Reason are correct but Reason is not the correct explation os Assertion.

C

If Assertionis true bur Reason is false.

D

If Assertion is false but Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
B
Translational degree of freedom of a diatomic gas `(O_(2))` is three and rotational kinetic energy is two. Therefore, according to law of equipartion of energy, `(K_(T))/(Kg)=3/2.`
Further, intermolecular force between ideal gas molecules is zero. Hence, potential energy is zero.
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