Question

Q1) Why does a vibrating body produces sound when no sound is heard when a simple

pendulum oscillates in air?

plzz answerme guys!!​

Answer 1

However no sound is heard when a simple pendulum oscillates in air. the frequency of the pendulum is less than 20Hz i.e it is infrasound thus we cannot hear the sound of simple pendulum when it oscillates.

Answer 2

What is getting reduced body produces sound because of our food then no sound is here that when a simple overheard is doing double up double every minute and second double up double up thank you