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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Sound

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3

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1

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Sound

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Paper 3Theory (Core)1 marks

The human ear is sensitive to a wide range of frequencies, which plays a crucial role in various activities.

Description

Frequency Sensitivity

Humans can detect sounds from 20 Hz to 20 kHz, which includes both low and high frequencies.

  1. a

    Identify the lower and upper limits of the human hearing range.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Sound

Paper 3Theory (Core)2 marks

Description

Human Hearing Range

Humans can hear sounds in the frequency range of approximately 20 Hz to 20 kHz.

  1. a

    Explain the significance of the human hearing range in everyday life.

    Aim for approximately 2 distinct marking points.

    [2]