Who decided what colours should go in the Rainbow????

Answer 1

Rainbows are caused by the diffraction of light through water vapour. As white light enters the water, the change in angle of light between Air and water causes the light to bend.

As all the colours bend at different angles, the Red light group bend more than blue light group, so you see the wide spread of the spectrum.

There are not 7 colours in the rainbow, there are millions, from Red at the top and gradually looses red light as the other colour become more predominant, leading eventually to violet.

The colours outside the rainbow are Infra red and Ultraviolet, both of which cannot be seen by the human eye.

The Red, Yellow, Pink, Green, Orange, Purple and blue were chosen as lyrics for the song as they are the easiest to fit in the song.

The easy way to remember the mahor stages of the Spectrum is to think of the Famous Ubernerd Roy G Biv, or you could use that:
Richard Of York Gave Battle In Vain, both of which remind you of the Red, Orange, Yellow, Green, Blue, Indigo & Violet.

Answer 2

No one.

A rainbow can be defined as a band of colors (from red on the inside to violet on the outside) assembled as an arc that is formed by reflection and refraction (or bending) of the sun's rays inside raindrops. They appear when it is raining in one part of the sky and sunny in another.

Some Interesting Facts about Rainbows


When you see a rainbow...
it is after rain. The sun is always behind you and the rain in front of you when a rainbow appears, so the center of the rainbow's arc is directly opposite the sun.

Most people think...
the only colors of a rainbow are red, orange, yellow, green, blue, indigo, and violet, but a rainbow is actually made up of an entire continuum of colors—even colors the eye can't see!

We are able to see the colors of a rainbow because...
light of different colors is refracted when it travels from one medium, such as air, and into another- -in this case, the water of the raindrops. When all the colors that make up sunlight are combined, they look white, but once they are refracted, the colors break up into the ones we see in a rainbow.

Every person...
sees their own "personal" rainbow. When you look at one, you are seeing the light bounced off of certain raindrops, but when the person standing next to you looks at the same rainbow, they may see the light reflecting off other raindrops from a completely different angle. In addition, everyone sees colors differently according to light and how their eyes interpret it.

You can never...
actually reach the end of a rainbow, where a pot of gold supposedly awaits. As you move, the rainbow that your eyes see moves as well, because the raindrops are at different spots in the atmosphere. The rainbow, then, will always "move away" at the same rate that you are moving.

Answer 3

In 1664, while still a student, Newton read recent work on optics and light by the English physicists Robert Boyle and Robert Hooke; he also studied both the mathematics and the physics of the French philosopher and scientist René Descartes. He investigated the refraction of light by a glass prism; developing over a few years a series of increasingly elaborate, refined, and exact experiments, Newton discovered measurable, mathematical patterns in the phenomenon of colour. He found white light to be a mixture of infinitely varied coloured rays (manifest in the rainbow and the spectrum), each ray definable by the angle through which it is refracted on entering or leaving a given transparent medium. He correlated this notion with his study of the interference colours of thin films (for example, of oil on water, or soap bubbles), using a simple technique of extreme acuity to measure the thickness of such films. He held that light consisted of streams of minute particles. From his experiments he could infer the magnitudes of the transparent "corpuscles" forming the surfaces of bodies, which, according to their dimensions, so interacted with white light as to reflect, selectively, the different observed colours of those surfaces.

Personally, I always felt that when Newton described the colours of the spectrum, he was pushing a bit to make it be 'lucky' seven - I've never been sure that I can distinguish Indigo from Violet in the rainbow or in a spectrum from a prism.

Answer 4

The rainbow just is. It's a part of nature, whether we choose to describe it in terms of colour or not. Humans invented the names for colours. The colours exist, and still would even if apes hadn't evolved into humans and decided to describe colours. All colours exist in the rainbow, as it's white light split into all of its component wavelengths by the rain. All colours exist in white light.

Answer 5

Physics

Answer 6

Who ever wrote the song probably - "red and yellow and pink and green, orange and purple and blue. I can see a rainbow, see a rainbow, see a rainbow too".

Answer 7

No one

Answer 8

Wasn't it Roy G Biv?

Answer 9

its the coulors that appear in a spectrum,
when light passes thru a perfect spec it sepperates it into the coulours we see with the naked eye

Answer 10

I decided. And you'll keep quiet about this if you know what's good for ya!