Define Browian Movement? How it arises?

1.	Define Browian Movement? How it arises?
Answer» The collide particles are moving at random in a zig-zag in all direction is movment known as brownian movment “Brownian motion refers to the random movement displayed by small particles that are suspended in fluids. It is commonly referred to as Brownian movement”. This motion is a result of the collisions of the particles with other fast-moving particles in the fluid.Brownian motion is named after the\xa0Scottish Botanist Robert Brown, who first observed that pollen grains move in random directions when placed in water.\tThe\xa0size of the particles is inversely proportional to the speed of the motion, i.e. Small particles exhibit faster movements.\tThis is because the transfer of momentum is inversely proportional to the mass of the particles. Lighter particles obtain greater speeds from collisions.\tThe speed of the Brownian motion is inversely proportional to the\xa0viscosity of the fluid. The lower the viscosity of the fluid, the faster the Brownian movement.\tViscosity is a quantity that expresses the magnitude of the internal friction in a liquid. It is the measure of the fluid’s resistance to flow.

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