Question

(a) Write down the conditions for total internal reflection​

Answer 1

Explanation:

The conditions required for total internal reflection (TIR) to occur are:

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.

Answer 2

Answer:

The conditions required for total internal reflection (TIR) to occur are:

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.