. Explain Brownian motion with the help of movement of pollens grains in water.
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☆BROWNIAN MOVEMENT☆
→ The phenomenon by which the colloidal particles are in continuous random motion is called Brownian movement .
→ Brownian motion is named after ROBERT BROWN, a biologist. He observed the motion of the particles in suspen of pollen grains in water.
The best evidence for the existence and movement of particles in liquid was given by ROBERT BROWN. On looking through the microscope, it was found that the pollen grains were moving rapidly in water.
This happens because water is made up of tiny particles which moves very fast. And the pollen grains move on the surface of water very rapidly because they are being hit by fast moving particles of water.
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