Question

A student traces the path of ray of light through a glass prism for the different values of angle of incidence. The case corresponding to minimum deviation is:
1. (i)
2.(ii)
3.(iii)
4.(iv)
with reason for the ans.​

Answer 1

do it yourself ...hahaha

Answer 2

(2)

As the angle between the incident Ray and emergent Ray is smallest when incident ray is produced forward and emergent ray is produced backwards to meet it .