Question

1) Light entering glass had an angle of refraction of 36°. Calculate the angle of incidence (n = 1.5)

2) In diagram 1, total internal reflection occurs at Q. Explain why total internal reflection occurs at Q.


AWARDED WITH BRAINLIEST !

Answer 1

Answer:

by snell's law

u=sin(I)/sin(r)

sin(i) =1.5 x sin(36⁰)