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

Question

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

Prashant Kotian · Accepted Answer

Correct answer: D. Total collisions per unit volume per unit time = (N * X) / 2. The division by 2 avoids double-counting since each collision event involves exactly two molecules .

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