what is difference between waves & occilations

Dear vijay,

A wave is travelling energy:  all waves -- radio, light, x-ray, sound or water waves radiate in all directions from a central source.

An oscillation is when a mass moves back and forth in a regular rhythm: a swing, the tide, a duck sitting still on a wavy pond all oscillate.

Even though oscillations and waves are different phenomena, the same mathematical functions are used to describe them and graph their motion. These functions are the sine and cosine functions.

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