Question

Question-:
Prove that sound needs an medium for propagation. ​

Answer 1

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.

Mark as brainliest ❤️

Answer 2

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.

Mark as brainliest ❤️