Brownian Motion
In 1827 it was observed by Brownian with the help of microscope that the tiny particles in water are constantly moving in a zig-zag path as shown in the figure. Such type of motion is called Brownian movement. The cause of movement of tiny suspended particles is the rapid motion of the molecules which collide with the particles and push them in one direction. if some molecules come from some other direction, they push the particles in different direction. This process continues and the motion of the particle is zig-zag.
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