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 particle (such as a molecule or atom) travels between successive collisions with other particles. This concept is important in the kinetic theory of gases and helps explain properties like viscosity and thermal conductivity.

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