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Sound Production in Humans for Class 8 by smi_santhosh is a document available to read on EtoBox.

What is Sound Production in Humans for Class 8 about?

Sound is produced by vibration and needs a medium like air to propagate. It travels as waves, with properties like amplitude, frequency, and wavelength. Humans produce sound through vocal cord vibration and hear sound through the ear structures. Sound is measured by its loudness and pitch. The human audible range is 20 Hz to 20 kHz. Noise pollution refers to excessive and unpleasant sound that harms health. Controlling sources and increasing awareness can help limit noise pollution.

Author

smi_santhosh

Language

EN