What does the spectrum in the electromagnetic spectrum do?

It does allot of stuff it controls the electic in your home or in your cafes or supper markets or stuff what are electracal

Electromagnetic spectrum have different electromagnetic waves classified orderly according to their wavelength or frequency.

No, its just visible light - light is part of the electromagnetic spectrum and is in the middle of it.

Here the word spectrum denotes the group of waves.

From most purposes the electromagnetic spectrum is considered to be continuous. However it could be contended that all frequencies of 'light' are quantized into discrete values that are determined by...