Question

Refractive indices of water and glass are 4/3 and 3/2 respectively. A light ray travelling in water is
incident on water-glass interface at 30°. The angle of sine of angle of reflection is​

Answer 1

Answer:

n

w

sini=n

g

sinr

∴

3

4

×sin30

o

=

2

3

sinr

Or

3

4

×0.5=

2

3

sinr (∵sin30

o

=0.5)

⟹sinr=0.444