Question

A ray of light from air to Glass. The angle of incidence is 45 degree. Find the angle of refraction given refractive index of Glass is 1.5.​

Answer 1

Answer:

∠i=45

o

a

u

g

=1.52

a

u

g

=

sinr

sini

⇒sinr=

a

u

g

sini

⇒sinr=

1.52

sin45

o

=

1.52

0.709

⇒sinr=0.46

⇒∠r=sin

−1

0.46

these is correct answer