Question

Define What is a Mechanical Wave?
Define: What is a Electromagnetic Wave?

Answer 1

A mechanical wave is a wave that has to travel through a medium, for example, Water. An electromagnetic wave is a wave that moves without a medium (and in a vacuum most of the time), like Light.

Step-by-step explanation:

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Answer 2

Mechanical waves include water waves, sound waves, and seismic waves. Transfer energy and travels through a medium that provides an elastic restoring force.

Electromagnetic waves are waves that have no medium to travel whereas mechanical waves needs a medium for it’s transmission. Travel in vacuum.