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Cambridge IGCSE Combined Science practice

What is Snell's Law used for?

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MCQ

Type

cambridge_mcq

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Topic

Light

Exam-style question

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What is Snell's Law used for?.

  1. A.To calculate the speed of light
  2. B.To determine the angle of reflection
  3. C.To relate angles of incidence and refraction
  4. D.To measure light intensity

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Paper 3 structured question: Light

Paper 3Theory (Core)2 marks

Description

Light Refraction

When light travels from air into water, it bends at the surface.

  1. a

    Describe the process of refraction as light passes from air into water.

    Aim for approximately 2 distinct marking points.

    [2]