Answer the following:

Explain an activity to show that sound can do work.

Activity: To show that sound can do work

Materials required: music system which produces ultra high frequencies
Procedure: Put cotton balls in your ears. Now connect the plug of music system to the electricity board. Switch on the system and increase its volume to the full level.

Observations: You will observe that the objects in the rooms are vibrating and if it is in the ultra high frequency range then the glass panes will also break.