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Why do we hear the sound produced by humming bees while the sound of vibrationsof pendulum is not heard? |
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Answer» the general range for human ear to perceive sound is between frequency range 20Hz to 20kHz. The humming of bees produces a sound of frequency that lies in this range while pendulum vibrations are of much lower frequency. The oscillations in pendulum is slow thus it has low frequency. |
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