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16/09/2020 11:03 am
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The mean free path for a gas, with molecular diameter d and number density n can be expressed as :
(1) 1/√2nπd2
(2) 1/√2n2πd2
(3) 1/√2n2π2d2
(4) 1/√2nπd
1 Answer
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16/09/2020 11:05 am
Correct answer: (1) 1/√2nπd2