Question

if the angle of incidence increases angle of deviation and decreases but after a certain value of angle of incidence the angle of deviation increases what is that specific value of angle of the incident called does this angle same for the light of all colour

Answer 1

hey there is answer

I hope you help


The angle of minimum deviation first decreases to minimum value and then increases with the increases in angle of incidence.
Regards

Answer 2

This is your answer. This question is given in my son's book