prove by an activity that sound is produce.(tuning fork)

please giveme answer in 2 hours

Hello,

An activity that sound is produced by tuning fork.

(1) Take a tuning fork and big iron plate.

(2) Hit the rod by tuning fork.

(3) Then you see tuning fork is vibrating.

(4) Vibrating tuning fork produce the, sound.

(5) The sound produced by it is propagate through the medium (air). So we can hear it.