Question 16
Refraction of LightTotal internal reflection occurs when light moves from
- A.air to water
- B.water to glass
- C.a dense medium to a less dense medium
- D.a less dense medium to a dense medium.
Show the answer and explanation
Answer: C (a dense medium to a less dense medium)
Explanation
Total internal reflection can only happen when light goes from an optically denser medium towards a less dense one, at more than the critical angle.