explain the experiment with a neat diagram to prove the following'sound needs a material medium for propagation.
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Bell jar experiment canprove that sound needs material medium for itspropagation. Initially the vacuum pump is 'OFF' so that air is present inside the jar. ... It will be observed that, with the decrease in quantity of air inside the jar, the level of ringing sound heard outside also decreases.
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1
Answer:
Bell jar experiment can prove that sound needs material medium for its propagation. Initially the vacuum pump is 'OFF' so that air is present inside the jar. ... It will be observed that, with the decrease in quantity of air inside the jar, the level
of ringing sound heard outside also decreases.
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