Multiple choice general knowledge science & technology

The average distance a molecule or atom can travel before colliding is called:

  1. Atomic distance

  2. Perigee

  3. Diffusion constant

  4. Mean free path
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D Correct answer
Explanation

The mean free path is the average distance a molecule or atom travels between successive collisions with other particles. This concept is fundamental in kinetic theory of gases and helps explain properties like viscosity, thermal conductivity, and diffusion rates.

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