When a drum is beaten by a stick, a sound is heard due to
A
heating of the membrane
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B
vibration of the stick
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C
vibration of the membrane
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D
freezing of the membrane
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Solution
The correct option is C
vibration of the membrane When a drum is beaten by a stick, the membrane of the drum vibrates which can be felt by touching it. Also a sound is heard. As the membrane stops vibrating, no sound is heard. Thus the vibrating membrane of the drum produces sound.