PDF chapter test TRY NOW
1. How does the sound produced by a vibrating object in a medium reach your ears?
a. is the to and fro motion of a particle.
b. receives the sound waves.
2. You and your friend are on the moon. Will you be able to hear any sound produced by your friend?
a. Sound requires to travel.
b. Communication is not possible on the surface of .
Register for free to see more content