Question

what is the correct angle of incident to achieve internal reflection
pick from the following
1. 40°
2. 41°
3. 42°
4. 43°
(note that the critical angle of glass is 42°)


plz give me correct answer and I will definitely mark you as a brain list.​

Answer 1

Answer:

3.42°

Explanation:

Hope it is helpful

Answer 2

Answer:

option 3) 42°

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