Q5 of 29 Page 180

The characteristic of the sound that describes how the brain interprets the frequency of sound is called ( )

Pitch is the characteristics of sound that distinguish between shrill sound and growling sound. The sensation of pitch of sound is conveyed to our brain by sound waves that fall on our ears.

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3

Hertz stands for oscillations per

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When we increase the loudness of sound of a TV, the property of sound that changes is

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In a stethoscope, sound of heart beats travel through stethoscopes tube

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Explain the following terms

a) Amplitude


b) Wavelength


c) Frequency.