JEE Main · PhysicsHard
The mean free path of a gas molecule is . If the temperature is doubled and the pressure is halved, the new mean free path becomes
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: C —
Solution
- The mean free path is given by .
- This implies .
- Let and .
- Then .
- Hence the answer is (C).
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