MCQEasy1 mark
24
Select the correct option for each of the following questions The diagram below shows a ray of light travelling from air into a glass material as shown below. Answer the questions that follow:
The angle of incidence at the surface AB is: (a) 43° (b) 47° (c) 90° (d) 0°
Topic: Refraction / total internal reflection
Previous-year question practice database
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Pick an option and check your answer. The full worked answer is below either way.
Answer
Exam answer
(b) 47°.
Explanation
Angle of incidence is measured from the normal: 90°−43°=47°.
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