Movement of pendulum is not audible, whereas a flight of mosquito is audible.why?
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A pendulum oscillates on a very low frequency.
A mosquito flaps its wings at a pretty high frequency, which happens to be within the range of frequencies the human ear can hear(20Hz-20kHz). A pendulum' frequency is a lot lower than 20Hz, so it is not audible.
A mosquito flaps its wings at a pretty high frequency, which happens to be within the range of frequencies the human ear can hear(20Hz-20kHz). A pendulum' frequency is a lot lower than 20Hz, so it is not audible.
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the time period of the wings of mosquito is very much higher than the pendulam
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