Question

If the density of air molecules is more in the given region, then it is a rarefaction.

• A. True
• B. False

Answer 1

The correct option is B

False

If the density of air molecules is more in the given region, then the number of air molecules are close to each other forming a compression or a region of high pressure. So one can say, more is the density more will be the pressure resulting in a compression, hence the given statement is false.

Following diagram explains more about sound wave formation due to back and forth motion of tuning fork's prongs.