1.

Why do we hear the sound produced by humming been while the sound produced by vibration of pendulum is not heard?

Answer»

It is because thesoundproduced by the pendulum is of much lower frequency than that ofbee. thesoundproduced bybee'swing is continous where as thesoundproducer by the pendulum is just once or twice . thus thesoundfrom the pendulum by the timewe hear, vanishes in the air .



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