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Q.

If X is the total number of collisions which a gas molecules registers with others per unit time under particular conditions, then the collision frequency of the gas containing 'N' molecules per unit volume is

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a

NX / 2

b

X / N

c

NX

d

2NX

answer is D.

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Detailed Solution

Number of collisions of gas molecule=X

Frequency=N

Collision frequency=collision number×number of molecules/2

NX / 2

Hence required option is D

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