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Learning objective

Recognize that sound can be transmitted as either a digital or analogue signal.

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

Exam focus

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

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Quick explanation

Recognize that sound can be transmitted as either a digital or analogue signal

  • This point belongs to Electromagnetic spectrum, especially Electromagnetic spectrum outcomes.
  • You need to be able to recognize that sound can be transmitted as either a digital or analogue signal.
  • The key ideas to know are Know and State.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

KnowState

Why it matters

This objective helps connect Electromagnetic spectrum outcomes to exam-style questions, flashcards, and revision notes for Electromagnetic spectrum.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 4 structured question: Electromagnetic spectrum

Paper 4Theory (Extended)1 marks

Description

Types of Sound Signals

Sound can be transmitted as either digital or analogue signals. Digital signals represent sound in binary form, while analogue signals maintain the original wave form.

  1. a

    State the two types of signals used for sound transmission.

    Aim for approximately 1 distinct marking point.

    [1]
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