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Question

When a drum is beaten, a sound is heard due to:


A

Heating of the membrane

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B

Vibration of the membrane

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C

Both heating and vibration of the membrane

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D

Freezing of the membrane

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Solution

The correct option is B

Vibration of the membrane


When a drum is beaten, the membrane of the drum vibrates which can be felt by touching it and the sound is heard. As the membrane stops vibrating, no sound is heard. The vibrating drum produces sound.


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