explain chapter sound class 8
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sound is form of energy which requires a material medium to travel sound is fastest i n solid ..hope it may help
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Sound is a form of energy that travels in the form of vibrations through the air or any another medium.
Vibration is defined as a rapid to and fro or up and down movement about a mean position.Vibrations travel through a medium such as air and reach our ears where they are interpreted by the brain as sound.Human beings are capable of producing sound which originates from the larynx or the voice box in the neck. The sound produced is controlled by thin membranous structures known as vocal cords that stretch across the larynx.
Vibration is defined as a rapid to and fro or up and down movement about a mean position.Vibrations travel through a medium such as air and reach our ears where they are interpreted by the brain as sound.Human beings are capable of producing sound which originates from the larynx or the voice box in the neck. The sound produced is controlled by thin membranous structures known as vocal cords that stretch across the larynx.
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