Here this post contains Short Question and Answers of Chapter 11: "Sound". Learn these question answers and other related stuff for exam preparation.
A sound is a type of energy, very much like power, intensity or light. Sound is one of the significant feelings of the human body. A few sounds are wonderful, and some are irritating. We are exposed to different kinds of sound all time. Sound is a vibration that spreads as an acoustic wave, through a transmission medium