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Learning objective

Outline a method to measure the speed of sound in air using distance and time measurements.

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 contentPractical objective

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Quick explanation

Outline a method to measure the speed of sound in air using distance and time measurements

  • This point belongs to Sound, especially Sound outcomes.
  • You need to be able to outline a method to measure the speed of sound in air using distance and time measurements.
  • The key ideas to know are Describe and Determine.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeDetermine

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

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Paper 6 structured question: Sound

Paper 6Alternative to PracticalPractical1 marks

Method

Method to Measure Speed of Sound

A method involves two people standing a known distance apart. One person produces a sound, and the other measures the time taken for the sound to reach them.

  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]
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