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I found two EM spectrum jokes. Whether they are good, let the reader decide:An XKCD comic about the electromagnetic spectrum (please see the related link)and this (funny?) valentine:Roses reflect a light frequency at one end of the visibleelectromagnetic spectrum,Violets reflect a light frequency at the other end of the visible electromagnetic spectrum,Sugar is C12H22O11,And you release the endorphins in my brain.
Red light is a component of the visible spectrum.
VIsual light
To find the wavelength of blue light, simply look at an electromagnetic spectrum, specifically the visible light portion. Blue light corresponds to a wavelength of around 475 nm.
In a microwave oven, we find that microwave energy (from the microwave portion of the electromagnetic spectrum) are used. In a conventional oven, gas or electricity is used to create infrared heat, so we find infrared radiation (from the infrared portion of the electromagnetic spectrum, which is just below the visible light or optical portion) used there. If the oven happens to be a combination microwave and conventional, we'll find both types of electromagnetic waves generated for use inside.
No, the optical spectrum does not represent a large portion of the electromagnetic (EM) spectrum. Electromagnetic radiation begins with what might be termed "radio waves" and goes up from there. There are a number of "radio" bands, and they take up much of the spectrum. Microwaves top the list, and lead to the infrared (IR) radiation that sits just below the visible spectrum (or optical spectrum). Above visible light we have ultraviolet (UV) radiation, and beyond that, X-rays and cosmic rays. A picture might be worth a couple of hundred words, and by using the links below you can find diagrams plus additional information.
Primarily Yellow but really it uses most of the visible spectrum, just some parts more than others. Green plants actually have five type of pigments that serve in photosynthesis. When the leave of the deciduous trees turn in autumn you can see the colours of many of these as they are selectively withdrawn.
find out the properties of x-rays and compare them with other members of electromagnetic spectrum
A gamma ray is a form of electromagnetic radiation that has a very short wavelength (and a very high frequency and a very high energy). Gamma rays are similar to visible light, radio waves, and all the other forms of electromagnetic radiation. We find gamma rays at the top or high end of the electromagnetic spectrum. It is probable that X-Rays, which are just below gamma rays in the spectrum, are most similar.
While I wasn't able to find a specific name associated with the unification of the electromagnetic spectrum, I would suspect that it was James Clerk Maxwell, the man who discovered the link between electricity and magnetism, thus coining the term "electro-magnetic". The spectrum itself is just a list of the ranges of energy that a photon can be at. By studying visible light we can develop the equations that eventually lead to everything from radio waves to gamma waves.
go to school and find out
pooey