Question
Wed December 28, 2011 By: Yogesh Punetha

We hear sound produced by humming bees while sound of vibration of pendulum is not heard. give reason for this

Expert Reply
Wed December 28, 2011
Humming bees have the sound of higher frequency while that of pendulum has lower frequency and we can hear only audible frequency range of sound i.e. between 20 hz. to 20 khz. and thus being low frequency sound we are unable to hear the sound of pendulum
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