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It is the first color in the visible light sprectum. its really close to non-visible light called infrared light (heat). That's why things that are really hot are usually red. It's true that we could look at things the other way around and consider red to be the LAST color (with violet being the first), but going red-to-violet means the lower energy (and lower frequency) wavelengths come first.

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15y ago
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11y ago

because it has the smallest wavelenght out of all the visible light

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Joe F

Lvl 1
1y ago
Red has the LONGEST wavelength in the visible spectrum.
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john franks

Lvl 1
1y ago
I have a waterfall fixture in my bath and when light is shined through the water it makes a green light but as the water gets hot the color is red. just water and light

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Wiki User

15y ago

kind of, sometimes it depends which the 8 season's we are in.

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Wiki User

13y ago

why is the first color

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Q: Why is red always at the top of a rainbow?
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Related questions

Is red always the top color of a rainbow?

yes... always..


What color is at the top of a rainbow?

The top colour of a rainbow is red, then the second is orange, third is yellow, fourth is green, fifth is blue, sixth is indigo and the seventh colour is violet.


Where is red in the rainbow?

the first colour as in 'on top'


Are ponds always blue?

no they can be yellow, red, purple or rainbow colored


What colour is always outside the rainbow?

The Red spectrum of colors is always the outermost arc on a Rainbow while the Blue spectrum of colors make up the innermost arc


What are the colors of the rainbow and how many colors?

Red, orange, yellow, green, blue, violet, indigo . Seven(7) colours. NB When observing a rainbow in the sky;- Red is always on the outside of the bow. Inigo(blue) is always on the inside of the bow. Outside the red arc, the sky is darker, (light bending) Inside the indigo arc, the sky is lighter, (light bending again). When observing a rainbow, the centre of the rainbow is in a direct line between the Sun(at your back), you and the rainbow centre. NNB The angle from the centre line of the rainbow to the arc is 42 degrees. NNNB A very bright rainbow will produce a reflected rainbow outside the primary rainbow; the colours are reversed.


What do a red rainbow fish eat?

red rainbow fish eat shells


Where are the rainbow eggs in billy hatcher and the giant egg?

The blue rainbow is in pirate island on bamham's level in the corner of the water by the giant skull. Red rainbow is on top of the castle at blizzard castle in the 8 chicken rescue level.


What are the seven colors of light?

The Rainbow consists of ROY G BIV Red Orange Yellow blue green indigo (indigo is debatable as to whether or not it is one of the top rainbow colors) and Violet


Why does the arc of a rainbow appears with red on the top and violet at the bottom?

Because of the resolution of the colours as light reflects through the water particles


Why do you think a rainbow is always the same order of colors?

It goes in order from highest frequency beam, violet, to lowest frequency, red.


What color is the top-most color in a rainbow?

red. you can remember the colors of the rainbow in order by remembering: Roy G. Biv (red (r), orange (o), yellow (y), green (g), blue (b), indego (i, some people say this is no longer a color of the rainbow), and violet (v. violet is also known as purple) )