Question

what is longitudinal wave ? what are its characteristics?​

Answer 1

Longitudinal waves are defined as the waves that move back and forth in the same direction in a medium. Sound waves are examples of longitudinal waves. Following are the properties of longitudinal waves: Longitudinal waves are mechanical waves because they need a medium for their propagation.

Answer 2

Longitudinal waves are defined as the waves that move back and forth in the same direction in a medium. ... Longitudinal waves are mechanical waves because they need a medium for their propagation. Compressions and rarefactions are the two parts of the longitudinal waves that are seen when they propagate in a medium.