Physics, asked by shahsania99, 19 hours ago

3. Cite an experiment to show that sound needs a material medium for its propagation.

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Answered by Malluponnu
2

Answer:

Bell-jar experiment demonstrates that sound needs a medium for its propagation. Take an electric bell and an airtight 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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