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Infra-red colours are those with a wavelenth longer than that of red and which therefore cannot be detected by the human eye. Some other creatures can detect colour in this range.

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Q: Define infra-red colors
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Related questions

What produces infrared light?

colors


What is 8 sentences about coloers?

Colors are beautiful, and they range from red to violet. Colors make me feel peaceful, like I could sleep. A rainbow is made out of colors. Colors define our world, and make our vision what it is. We can not see Infrared or Ultraviolet hues. Mixing all the colors of the rainbow together makes brown. Red and yellow make orange. Blue and yellow make green.


What colors does the invisible spectrum contain?

Infrared and ultraviolet are the invisible colors at the opposite ends of the light spectrum.


Why did the rainbow have different colors?

Actually, all rainbows have the SAME colors, namely: all of them from ultraviolet to infrared, the entire visible spectrum.


Do heat lamps give of infrared rays?

Normal LED lamps produce almost no infrared light. However, just like there are LEDs in various colors like red and green, there are also infrared LEDs.


Why was Infrared photography developed?

Infrared photography was developed to give the consumer more choices for the type of picture produced from one image. With infrared, a picture can be in color, in distorted colors, or even in black and white, all from the same image.


What is the sun's color index?

Look this article for IR colors... The color indices of the Sun in the infrared region


A picture taken with an infrared camera that shows regions of different temperatures in different colors is a?

it is called a thermogram


Why do graphs help explain why humans cannot see colors that fall in the ultraviolet or infrared part of the electromagnetic spectrum?

Because we can't see the colors on the spectrum so we have to use a graphto show the colors.


Define red blue and yellow?

red blue and yellow are primary colors. With these colors, you can make secondary colors green, purple and orange. From these, triads can be made.


What does infrared measure?

Infrared measures thermal radiation, or heat In a object/body -------------------------------------------------------------------------------------------------------------- The above is not quite correct. The "infrared" is the name given to a part of the electromagnetic spectrum - light (that humans can not see but can feel) that exists beyond the red light color we can see. This colored light is emitted by warm objects and we also call it "heat". Just as there is a rainbow of colors in the light we can see which relates to the energy of the emitting source, there are different colors of infrared light and these characteristic how hot the emitting source is. Thus measurement of the infrared spectrum can tell you how hot something is.


Does white light contain ultraviolet and infrared light?

Not necessarily. It could, but as humans cannot perceive these colors, and white is based off of our perception of a color containing red, blue, and green, ultraviolet and infrared are not necessary to create "white".