Question

Under what conditions is total internal reflection possible?Explain it with a suitable example.​

Answer 1

Answer:

For total internal reflection to occur, two conditions must be met: The index of refraction must decrease across the boundary in the direction of light refraction. The angle of incidence of the light ray must exceed the critical angle of the interface

Answer 2

Answer:

for total internal reflection to occur, two conditions must be met: The index of refract: must decrease across the boundary in the direction of light refraction