Light travels from diamond to glass, glass to water and water to all. In this context when does total internal reflection may take place? 1. When light travels from diamond to glass 2. When light travels from glass to water 3. When light travels from water to air Select the correct answer from the codes given.
A
2 and 3 only
B
1 and 2 only
C
1,2 and 3
D
1 and 3 only
Medium
Open in App
Solution
Verified by Toppr
Correct option is C)
Refractive index is of the order :
diamond > glass > water > air
All are moving from denser to rarer medium. Hence, its necessary condition.