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Question

Define the following terms:

(a) Brownian movement:


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Solution

The definition of the Brownian movement:

  • The zig-zag movement of particles suspended in air or water of colloidal solution.
  • Robert Brown was the scientist who first discovered the Brownian movement
  • He suspended some pollen gains in water and watched their movement under a microscope
  • He found that pollen grains were moving in a zig-zag direction.

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