Question

define wave motion and how many types of wave motion ? what is the wavelength of sound in a medium in which the speed of sound is 2.4km/s . if the frequency of the sound is 3kfz?​

Answer 1

Answer:

Wave motion, propagation of disturbances—that is, deviations from a state of rest or equilibrium—from place to place in a regular and organized way. Most familiar are surface waves on water, but both sound and light travel as wavelike disturbances,

There are two basic types of wave motion for mechanical waves: longitudinal waves and transverse waves.

In a longitudinal wave the particle displacement is parallel to the direction of wave propagation.

In a transverse wave the particle displacement is perpendicular to the direction of wave propagation.

ATQ

wavelength =?

speed=2.4km/s=2.4*1000=2400m/sec

frequency=3k hz

wavelength =v*F

= 2400*3000

72* 10^5

7200000m

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