define brownian motion'.name the scientist who first observe it
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Brownian motion is named after the botanist Robert Brown, who first observed this in 1827. ... He used a microscope to look at pollen grains moving randomly in water. At this point, he could not explain why this occurred
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Brownian Motion was first discovered by ROBERT BROWN in 1827.
It refers to random motion of particles in a system due to collision with other gaseous particles in the system.
This movement is observed due to shifting of particles from high to low concentrations.
Examples can be : Movement of dust particles due to air currents, calcium ions being absorbed by bones , etc.
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