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Cambridge IGCSE Physics practice

Paper 3 structured question: Sound

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Sound

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Paper 3Theory (Core)1 marks

Ultrasound technology is used in various fields, including medicine and industry.

Description

Ultrasound Frequencies

Ultrasound refers to sound waves that have frequencies above 20 kHz. These waves are used in medical imaging and industrial applications.

  1. a

    State the frequency range that defines ultrasound.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Sound

Paper 3Theory (Core)2 marks

Description

Applications of Ultrasound

Ultrasound is used in medical imaging, cleaning, and material testing.

  1. a

    Define ultrasound and give one application.

    Aim for approximately 2 distinct marking points.

    [2]