Question

the vibrations of pendulum's sound​

Answer 1

Answer:

tooo fro .....vibartion of the simple pendulum .....du to this it is formed a .. transverse wave

Answer 2

$\huge \color{darkpink}{hey \: mate}$

Sound is heard only if the body vibrates with a frequency of at least 20 Hz. Frequency of vibration of the pendulum is less than 20 Hz. Hence no sound is heard when the pendulum vibrates or oscillates in air.