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Learning objective

Explain and apply the definitions of normal, angle of incidence, and angle of reflection.

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 and apply the definitions of normal, angle of incidence, and angle of reflection

  • This point belongs to Reflection of light, especially Reflection of light outcomes.
  • You need to be able to explain and apply the definitions of normal, angle of incidence, and angle of reflection.
  • The key ideas to know are Define and Use.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DefineUse

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

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Paper 3 structured question: Reflection of light

Paper 3Theory (Core)1 marks

Description

Reflection on a Plane Mirror

A light ray strikes a plane mirror at an angle of 45 degrees to the normal.

  1. a

    State the angle of reflection when the angle of incidence is 45 degrees.

    Aim for approximately 1 distinct marking point.

    [1]
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