cse • paper_1 • thermal_physicscse-1990-subject-04-005
Mean free path — UPSC CSE 1990 Physics PYQ
Buy PYQ Solution Manual →Calculate the mean free path of molecules of \text{H}_2 gas at 20^\circ\text{ C} at atmospheric pressure. Assume the molecular diameter to be 2.00 \times 10^{-10}\text{ m}.
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