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Q: What part of the Em spectrum is the smallest part?
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Is visible light a major part of the EM spectrum?

It is certainly a very important part, but it is not a major part; 'visible light' makes up only a tiny part of the EM spectrum.


What is the highest frequency part of EM spectrum?

That's the gamma radiation.


Which of these statements about the EM spectrum is false?

Most of the EM spectrum is visible light.


Where is wave located on the em spectrum?

all of the em spectrum is measured i waves


What part of the EM spectrum do you use to see stuff?

That part is called "visible light", or just "light".


Why isn't sound a part of the em spectrum?

Sound is a mechanical wave, not an electromagnetic wave.


What are the types of waves in the electromagnetic spectrum?

All electromagnetic (EM) waves are in the EM spectrum. This is from "ELF" (3-30hz) through visible light (300Thz+), out past gamma rays. Any wave above DC that broadcasts into space is part of the EM spectrum.


What two properties of a em wave change as you move from one part of the em spectrum to another?

frequency and heat. (Color can change, too)


Why is it true to say that all EM radiation is light even though we can see only a small slice of the spectrum as visible light?

Visible light is a very small part of the EM spectrum and it is intellectual laziness to refer to all EM radiation as light.


Which wavelength must the light contain and the object reflect to appear white?

Refer to the EM spectrum to find exact answer about this question. Usually wavelengths are listed at bottom and frequency on top of the spectrum. Gamma rays have the smallest wavelength.


Where is the cosmic rays radiation located on the electromagnetic spectrum in relation to other kinds of radiation?

Cosmic rays are not part of the EM spectrum -- they are high energy charged particles.


How does the troposphere filter out part of the EM spectrum?

The troposhpere is thick (relatively speaking) with gases and so more high energy EM waves are absorbed before they can reach the ground.