Question

5
17. When extremely small particles X derived from the anther of a flower
were suspended in a liquid Y and observed through a microscope, it was
found that the particles X were moving throughout the liquid Y in a very
zig zag way. It is also observed that warmer the liquid Y, faster the
particles X moved on its surface.
a. What could particles X be?
b. What Do you think liquid Y is?
c. What is the zig-zag movement of X known as?
d. What is the cause of the zig-zag movement of particles X?
e. Name the scientist who discovered this phenomenon.​

Answer 1

This zig zag movement is known as Brownian motion.