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Heat and Thermodynamics question

2014 · Q156
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Heat and Thermodynamics question

2014 · Q156

NEETPhysicsHeat and ThermodynamicsMCQ+4 / −1
The mean free path of molecules of a gas, (radius r) is inversely proportional to
  1. A
    r3
  2. B
    r2
  3. C
    r
  4. D
    r\sqrt rr​
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