Question

State the two basic conditions that must be fulfilled so that the total internal reflection of light may take place

Answer 1

Answer:

1)Presence of waterdroplet in atmosphere

2) The sunlight must be at the back of observer that is observer must stand with his back towards the sun

Answer 2

the light must be travelling from a more dense medium into a less dense medium (ie glass to air) the angle of incidence must be greater than the critical angle