Question

describe sound as a longitudinal wave with a suitable diagram and also explain what the transverse wave is .​

Answer 1

Answer:

Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves. These back and forth vibrations are imparted to adjacent neighbors by particle-to-particle interaction.

Or

Longitudinal waves include sound waves (vibrations in pressure, a particle of displacement, and particle velocity propagated in an elastic medium) and seismic P-waves (created by earthquakes and explosions). In longitudinal waves, the displacement of the medium is parallel to the propagation of the wave.

Explanation:

Answer 2

Longitudinal and transverse waves

In longitudinal waves, the vibrations are parallel to the direction of wave travel.

Examples of longitudinal waves include:

• sound waves
• ultrasound waves
• seismic P-waves

Demonstrating longitudinal waves

Longitudinal waves show areas of compression and rarefaction:

• compressions are regions of high pressure due to particles being close together
• rarefactions are regions of low pressure due to particles being spread further apart

Transverse waves

In tranverse waves, the vibrations are at right angles to the direction of wave travel.

Examples of transverse waves include:

• ripples on the surface of water
• vibrations in a guitar string
• a Mexican wave in a sports stadium
• electromagnetic waves – eg light waves, microwaves, radio waves
• seismic S-waves

Demonstrating transverse waves

Transverse waves are often demonstrated by moving a rope rapidly up and down.

This concept is easiest one. I still remember this.

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