A : Mean free path of gas molecules vari...

A : Mean free path of gas molecules varies inversely as density of the gas.
R : Mean free path varies inversely as pressure of the gas.

A

Both (A) and ( R) are true and (R ) is the correct explanation of (A)

B

Both (A) and (R ) are true and (R ) is not the correct explanation of (A)

C

(A) is true but (R ) is false

D

Both (A) and (R ) are false

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The correct Answer is:

B

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