Question

DESCRIBE AN EXPERIMENT TO SHOW THAT A MIDIUM IS NEEDED FOR THE PRPAGATION OF SOUND​

Answer 1

Answer:

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Bell-jar experiment demonstrates that sound needs a medium for its propagation. Take an electric bell and an air tight glass bell jar connected to a vacuum pump. Suspend the bell inside the jar, and press the switch of the bell. ... The sound of the bell will become fainter and after some time, the sound will not be heard.

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Answer 2

Answer:

Bell-jar experiment demonstrates that sound needs a medium for its propagation. Take an electric bell and an air tight glass bell jar connected to a vacuum pump. Suspend the bell inside the jar, and press the switch of the bell. ... The sound of the bell will become fainter and after some time, the sound will not be heard.

Explanation:

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