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Cambridge IGCSE Physics practice

Paper 3 structured question: Sound

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1

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Sound

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Paper 3Theory (Core)1 marks

Understanding sound propagation.

Description

Sound Waves and Mediums

Sound waves cannot travel through a vacuum and require a medium to propagate. Different mediums affect the speed of sound.

  1. a

    State the requirement for sound waves to travel.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Sound

Paper 3Theory (Core)2 marks

Description

Mediums and Sound Speed

The speed of sound varies in different mediums. For example, sound travels faster in water than in air.

  1. a

    State two mediums through which sound can travel.

    Aim for approximately 2 distinct marking points.

    [2]