Question

The scientist who studied the movement of pollen grains suspended in water through a microscope

Answer 1

1. The continuous and rapid zig-zag motion of the colloidal particles is known as Brownian motion.
2. When scientists observed the suspended small pollen grains in water through the microscope and found that the pollen grains were moving rapidly throughout the water in a zig-zag pattern.
3. The scientist who studied the movement of pollen grains suspended in water through a microscope is Robert Brown in 1827.