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Exam-style practice

Refraction of light answer explanations

Review worked answers and explanations for Refraction of light. Aligned to Cambridge IGCSE Physics.

Answer explanations

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Paper 3 structured question: Refraction of light

Paper 3Theory (Core)1 marks

Description

Refraction of Light

A ray of light strikes the surface of water at an angle of incidence of 45°. The refractive index of water is 1.33.

  1. a

    State the angle of refraction when the light enters the water.

    [1]