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Explain with an activity to show that mTerial medium is necessary for the propogational of sound?

Posted by Chandrashekar Shirni 3 years, 7 months ago

CBSE > Class 09 > Science

1 answers

Me Kyu Btau 3 years, 7 months ago

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. ... This shows that sound needs a material medium to travel

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