Question

please answer these question​

Answer 1

Answer:

Greater the angle of incidence greater will be the deviation further it also depends on angle of emergence. but if angle of prism will be greater than the sum of angle of incidence and emergence then the deviation will be less even in negative

Answer 2

Answer:

when any light pass through rare med to denser med its waveleng decreas and it bend tword principal axis and again ek pass thorgu a med which is danser so refrect away from principal axix this tym it goes denser to rare