Question

2. Calculate the refractive index of a material, when angle of incidence in air is 50° and angle of refraction in the
material is 36°.
Ans:[1.30]

please help me out!!​

Answer 1

Answer:

The information we have is,

Speed of light in the medium(‘v’) = 2×108m/s

Speed of light in the vacuum(‘c’) = 3×108m/s

Now, one must apply the formula of refractive index,

So, n =

c

v

n =

3

×

108

2

×

108

n = 1.5