A ray of light strikes a transparent rectangular slab (of refractive index ) at an angle of incidence of . The angle between the reflected and refracted rays is |
|||||||

a) |
75 |
b) |
90 |
c) |
105 |
d) |
120 |

A ray of light strikes a transparent rectangular slab (of refractive index ) at an angle of incidence of . The angle between the reflected and refracted rays is |
|||||||

a) |
75 |
b) |
90 |
c) |
105 |
d) |
120 |

1 Answer - 5876 Votes

3537

**(c)**

Here,

Applying Snell’s law at air-glass surface, we get

From figure,

Hence, the angle between reflected and refracted rays is