Question

Light travels from one medium at an angle of incidence 45° to another medium making an angle of refraction 30°, the ratio of refractive indices half to media is,

Answer 1

Answer:

Given,

∠i=45

0

and∠r=30

0

By snell's law

n=

sinr

sini

n=

sin30

0

sin45

0

=

2

=1.42