Cambridge IGCSE Physics practice
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At a glance
MCQ
Type
cambridge_mcq
Style
Topic
Refraction of light
Exam-style question
What is the angle of incidence if the incoming ray makes a 30° angle with the normal?.
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Flashcard 1 of 6
Question 1 of 5
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Description
A ray of light strikes the surface of water at an angle of incidence of 45°. The refractive index of water is 1.33.
State the angle of refraction when the light enters the water.
Aim for approximately 1 distinct marking point.