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Cambridge IGCSE Physics practice

Paper 3 structured question: Refraction of light

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Refraction of light

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Paper 3Theory (Core)1 marks

Light traveling from air into glass.

Description

Light Refraction

A light ray enters a glass block at an angle of incidence of 60°. The refractive index of glass is 1.5.

  1. a

    State the angle of refraction as the light enters the glass.

    Aim for approximately 1 distinct marking point.

    [1]

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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.

    Aim for approximately 1 distinct marking point.

    [1]