Question

what is disperson and it's types?

Answer 1

hiii....!!!!
Three types of dispersion, relating to optical fibers, are defined as follows: material dispersion: In optical fiber communication, the wavelength dependence of the velocity of propagation (of the optical signal) on the bulk material of which the fiber is made.

Answer 2

The phenomenon of spliting of white light into its colour components is called dispersion of light.
It has two types
Natural dispersion
Artificial dispersion.