1.

(A): If a container with a porous wall, filled with a mixture of two gases, is placed in an evacuate space, the lighter of two gases will escape out sooner (R) : The rms velocity of gas moleculer is inversly proportional to the square root of molecular weight of gas at constant temperature

Answer»

Both (A) and ( R) are TRUE and (R ) is the CORRECT explanation of (A)
Both (A) and (R ) are true and (R) is not the correct explanation of (A)
(A) is true but (R ) is false
Both (A) and (R ) are false

Answer :A


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