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Learning objective

Understand the concept of background radiation.

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

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Exam focus

  • Read the explanation.
  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE PhysicsNuclear physicsCore content

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Quick explanation

Understand the concept of background radiation

  • This point belongs to Detection of radioactivity, especially Detection of radioactivity outcomes.
  • You need to be able to understand the concept of background radiation.
  • The key ideas to know are Know and Define.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowDefine

Why it matters

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

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Practice Questions7 linked questions

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Paper 3 structured question: Detection of radioactivity

Paper 3Theory (Core)1 marks

Description

Sources of Background Radiation

Background radiation comes from various sources, including cosmic rays, terrestrial radiation, and internal radiation from the human body.

  1. a

    State one source of background radiation.

    Aim for approximately 1 distinct marking point.

    [1]
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