what does an electromagnetic spectrum consist of
Energy.
the energy that makes the electromagnetic spectrum is electromagnetic radiation
Electromagnetic spectrum have different electromagnetic waves classified orderly according to their wavelength or frequency.
in electromagnetic spectrum visible light is safe for humans
No, its just visible light - light is part of the electromagnetic spectrum and is in the middle of it.
The radio frequency portion of the electromagnetic spectrum uses radio telescopes.
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No.
b/c they contain chlorophyll which has green pigment
visible light
That's called the electromagnetic spectrum.
the energy that makes the electromagnetic spectrum is electromagnetic radiation
Electromagnetic spectrum have different electromagnetic waves classified orderly according to their wavelength or frequency.
It lies in infrared region of electromagnetic spectrum.
The visible spectrum is a tiny, almost negligible slice of the electromagnetic spectrum. 'Sonar' has no place in this discussion. It's not even electromagnetic.
The electromagnetic spectrum includes electromagnetic waves with a continuous flow of the wavelength.
There are seven types of electromagnetic waves and they are: 1. Radio waves 2. Microwaves 3. Infra-red waves 4. (visible) Light waves 5. Ultra-violet waves 6. X-ray waves 7. Gamma rays
in electromagnetic spectrum visible light is safe for humans