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Learning objective

Explain how light travels through a transparent medium, focusing on the interfaces between two different materials.

Read the explanation, check the common trap, then practise with flashcards and questions.

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  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsSubject contentCore content

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Quick explanation

Explain how light travels through a transparent medium, focusing on the interfaces between two different materials

  • This point belongs to Refraction of light, especially Refraction of light outcomes.
  • You need to be able to explain how light travels through a transparent medium, focusing on the interfaces between two different materials.
  • The key ideas to know are Describe and Understand.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeUnderstand

Why it matters

This objective helps connect Refraction of light outcomes to exam-style questions, flashcards, and revision notes for Refraction of light.

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Paper 3 structured question: Refraction of light

Paper 3Theory (Core)1 marks

Description

Light Refraction

When light travels from air into water, it bends towards the normal. When it exits back into air, it bends away from the normal.

  1. a

    State the effect of light when it enters water from air.

    Aim for approximately 1 distinct marking point.

    [1]
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