Question

A ray of light strikes the midpoint of one face of an equiangular crown glass prism (n=1.52) at an angle of incidence of 30.0.

(a.) Find the angle of reflection at the first surface of the prism.
(b.) Find the angle of refraction

Answer 1

Angle of reflection at plane surface of prism = 30°

Step-by-step explanation:

Angle of reflection = angle of incidence at any surface plane or curved .

Here angle of incidence at plane surface of prism = 30°

Angle of reflection at plane surface of prism = 30°

If i be the angle of incidence and r be angle of refraction

sin i / sin r = refractive index

= 1.52

sin r = sin i / 1.52

= sin 30 / 1.52

= .5 / 1.52

= .3289

r = 19.2 °