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What is mean by mechanical wave

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Solution

A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of transmission—the material—is limited. Therefore, the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy. This energy propagates in the same direction as the wave. Any kind of wave (mechanical or electromagnetic) has a certain energy. Mechanical waves can be produced only in media which possess elasticity and inertia.

A mechanical wave requires an initial energy input. Once this initial energy is added, the wave travels through the medium until all its energy is transferred. In contrast, electromagnetic waves require no medium, but can still travel through one.

They are of two types.

1.Transverse wave:wave which vibrates in the same direction of motion.It contain a crest and trough.

2.Longitudinal wave:wave which vibrates in the perpendicular direction of motion.It contain rare fraction and compression.

Eg.sound wave

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