Notifications
Clear all
Light Reflection and Refraction
1
Posts
2
Users
1
Likes
18 K
Views
0
01/12/2020 11:19 am
Topic starter
The angle of incidence i and refraction r are equal in a transparent slab when the value of i is
(a) 0°
(b) 45°
(c) 90°
(d) depend on the material of the slab
1 Answer
0
01/12/2020 11:20 am
(a) 0°
Explanation:
When the incident ray falls normally on the glass slab, it will refracted without deviation, i.e. along the normal in the glass slab. So, ∠i = ∠r = 0