Light is incident from glass(n=3/2) to water (n=3/4). For which of the following angle of deviation, there will be a unique angle of incidence?

1. sin^-1 (2/3)
2. sin^-1 (1/3)
3. sin^-1 (4/9)
4. sin^-1 (5/9)

Akshara

8 Years agoGrade 12th pass