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
Question ID - 152977 | SaraNextGen Top Answer
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 |
|||||||
|
a) |
75 |
b) |
90 |
c) |
105 |
d) |
120 |
1 Answer
127 votes
Answer Key / Explanation : (c) -
(c)
Here, 
Applying Snell’s law at air-glass surface, we get
.png)
From figure, 
Hence, the angle between reflected and refracted rays is 
127 votes
Answer Link
127