cse • paper_1 • thermal_physicscse-1992-subject-04-003
Mean free path — UPSC CSE 1992 Physics PYQ
Buy PYQ Solution Manual →A shower of 6 \times 10^3 molecules, each travelling initially with same velocity, traverses a gas. Estimate the number of molecules which will travel unaffected even after traversing a distance equal to twice the mean-free path.
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