g Describe the difference between the concepts of particle velocity and wave velocity in wave motion. (b) Describe the directions associated with the particle velocity and the wave velocity for both: (i) longitudinal as well as (ii) transverse waves.

Answers in explanation

Explanation:

A.

PARTICLE MOTION:

Particle motion is the motion of the particles that create the disturbance. These particles move in the medium and create the disturbance or the wave.

WAVE MOTION:

Wave motion is the propagation of energy. It is a pattern created by moving particle. It has an amplitude, period and frequency.

(b)

(i) Longitudinal Waves:

In longitudinal waves the direction of wave motion and longitudinal motion are same. It means both are parallel. Example of longitudinal waves is the sound waves.

(ii) Transverse Waves:

In Transverse waves the direction of wave motion and longitudinal motion are perpendicular to each other. Example of longitudinal waves are the electromagnetic waves.