Question

give four characteristics of wave motion and classification of wave motion​

Answer 1

Wave motion is nothing but a mode of transfer of energy from place to place periodically without material transport.
Four characteristics of wave motion are
(i) It is the disturbance which travels forward through the medium but not through the particles of the medium.
(ii) Each particle receives vibrations a little later than its preceding particle.
(iii) The wave velocity is different from the velocity of the particles with which they vibrate about their mean positions.
(iv) The wave velocity remains constant in a given medium, whereas particle velocity changes continuously during its vibrations about the mean position.

Answer 2

$\underline{\underline{\Huge\mathfrak{Answer:}}}$

➡$Characteristics\: of\:wave\:motion$ :

⏩A wave motion is in a form of disturbance which travels thorough a medium due to the vibrations of the particles of the medium.

⏩It is the disturbance which travels in the forward direction and not the particles.

⏩The particles simply vibrate about their mean position.

➡$There \: are \: three \: categories:$

⏩$Longitudinal\: waves$- Movement of the particles are parallel to the motion of the energy. Sound waves moving through the air is an example of this type of wave.

⏩$Transverse\: waves$- movement of the particles are at right angles (perpendicular) to the motion of the energy.

⏩$Surface \: waves$- particles travel in a circular motion. These waves occur at interfaces. Examples include waves in the ocean and ripples in a cup of water. One consequence of occurring at an interface is that the motion of the particles diminish with distance from the interface. The further from the interface the smaller the rotation of the particles until as some distance from the surface, there is no more movement or energy propagation.

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