Describe an experiment you can perform to to show that sound requires a medium material to travel
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Materials required : tall glass, jar , bell and candle .
Method : Take a glass jar. Attach a small bell to the bottom of the cap of the jar. Close the jar with the cap. Shake the bottle and note the sound made by bell. Now open the jar , place lighted candle in it and close thr jar again. Wait for the candle to be extinguished. Shake the bottle again. The sound is not produced.
The oxygen is taken up by the candle.
So, the bell does not produce any sound.
This proves that sound needs a medium to travel.
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