Question

What conditions are necessary for total internal reflection to occur? Choose all that apply. What conditions are necessary for total internal reflection to occur? Choose all that apply.

n2 must be less than n1

θ1 must be less than θc

n2 must be greater than n1

θ1 must be greater than θc

How do you know the conditions for this?

Answer 1

so n2 must be less than n1 and theta1 must be greater then theta c