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Question
What is sound ?
What is sound ?
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Solution
Sound is a form of energy that travels through air or any other medium as vibration and can be heard when it reaches a person's or animal's ear.
Sound waves are mechanical waves.
Example: When you hit a table with your hand vibration is produced in the table as well as your hand and this vibration propagates through air and reaches our ears and we hear the sound.
Sound is a feeble form of energy. It is a travelling wave. It can pass through solid, liquid, gas. It needs medium to travel.
Simply
Sound is a form of energy which produces sensation of hearing.
Sound waves are mechanical waves.
Example: When you hit a table with your hand vibration is produced in the table as well as your hand and this vibration propagates through air and reaches our ears and we hear the sound.
Sound is a feeble form of energy. It is a travelling wave. It can pass through solid, liquid, gas. It needs medium to travel.
Simply
Sound is a form of energy which produces sensation of hearing.
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