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How would you show that sound needs a medium to propagate

Posted by Vardhmaan Ratan Bhardwaj 6 years, 4 months ago

CBSE > Class 08 > Science

1 answers

Sia ? 6 years, 4 months ago

Sound is produced due to vibration. The vibration makes the air around vibrate and the air vibrations enter the ear. When an object vibrates, it disturbs the air around it. The molecules of air in contact with vibrating objects also start to vibrate. The vibrating air molecules in turn, make more air, it makes a long chain of sound waves. Sound waves travel in all direction through a material medium like air, water or solids, called propagation of sound. Sound cannot travel in absence of medium because in empty space there is no molecules which help the sound to travel.

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