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Learning objective

Explain refraction as a change in direction when a wave changes speed at a boundary between media.

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

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Topic

Waves in air, fluids and solids

Subtopic

Reflection and refraction of waves

Aqa Gcse PhysicsWaves

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Quick explanation

Explain refraction as a change in direction when a wave changes speed at a boundary between media

  • This point belongs to Waves in air, fluids and solids, especially Reflection and refraction of waves.
  • You need to be able to explain refraction as a change in direction when a wave changes speed at a boundary between media.
  • The key ideas to know are refraction and boundary.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

refractionboundary

Why it matters

This objective helps connect Reflection and refraction of waves to exam-style questions, flashcards, and revision notes for Waves in air, fluids and solids.

Quick student answer

How do you explain refraction as a change in direction when a wave changes speed at a boundary between media?

Direct answer

In Physics, this page helps you answer questions about refraction as a change in direction when a wave changes speed at a boundary between media within Waves in air, fluids and solids. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are refraction and refraction boundary meaning.

Key terms

  • refraction: refraction is a curriculum-aligned term linked to the learning objective: Explain refraction as a change in direction when a wave changes speed at a boundary between media..
  • refraction boundary meaning: refraction. In Reflection and refraction of waves, this term helps students explain refraction as a change in direction when a wave changes speed at a boundary between media.. It is kept specific to Waves in air, fluids and solids so it is not confused with a nearby Unit 4.6 idea.

Common trap

Reflection and refraction of waves common mistake 1: Answer by clearly explaining how to explain refraction as a change in direction when a wave changes speed at a boundary between media..

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Question 1

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