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Cambridge IGCSE Physics practice

Paper 6 structured question: Sound

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Sound

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Paper 6Alternative to PracticalPractical1 marks

Measuring the speed of sound in air.

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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Paper 6 structured question: Sound

Paper 6Alternative to PracticalPractical2 marks

Results Table

Results of Speed of Sound Measurements

A table showing distances and corresponding times taken for sound to travel.

Distance (m)Time (s)
1000.29
2000.58
3000.87
  1. a

    Calculate the speed of sound using the data provided.

    Aim for approximately 2 distinct marking points.

    [2]