Physics, asked by 17100, 7 months ago

Write an activity (in short) to show that sound needs a medium for its propagation ​

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Answered by richasharma2721
4

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. You will be able to hear the bell ring.

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