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Between 380 nm (visible as violet) to 750 nm (visible as red).

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15y ago

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What are the lengths of light waves?

Visible light waves typically range from 400 to 700 nanometers in length. However, the entire electromagnetic spectrum includes waves of varying lengths, from gamma rays with wavelengths shorter than 0.001 nanometers to radio waves with lengths of kilometers or more.


What wave lengths is closest to the wave length of red light?

Visible light wavelengths fill the electromagnetic spectrum between red wavelengths and violet wavelengths.


How long are X ray wave lengths compared with ultraviolet wave lengths?

X-rays are shorter waves than ultraviolet ones.


What do nanometers measure?

Nanometers are used to measure extremely small lengths or distances. For example, 25,400,000 nanometers is only 1 inch.


Are the wavelength of radio waves longer or shorter than those detectable by your eyes?

The wavelength of radio waves is longer than the wavelengths detectable by human eyes. Radio waves have lengths ranging from meters to kilometers, while visible light wavelengths are in the range of around 400 to 700 nanometers (0.0004 to 0.0007 millimeters).


What electromagnetic radiation has wave lengths shorter then visible light but longer than X-rays?

Ultra-violet light (wavelength approx 10-390 nanometers) lies between visible light (wavelength approx 390-750 nanometers) and X-rays (wavelength approx 0.1-10 nanometers).


Si unit of wave length?

Lengths - including wavelengths - are measured in meters. Of course, multiple or sub-multiples such as kilometers, nanometers, etc. may be used in practice.


What causes the different colors in the spectrum?

Visible light contains all of the colors with in the spectrum. The only way we see color is the bending and refraction of the visible light sending certain wave lengths back, which our brain interprets as different colors.


Longest color wave lengths?

There is no longest wave-length for light. It can be infinitely long (just as light waves could be infinitely short). The longest visible light that humans can see is about 750 nanometers long, which is 0.00075 of a millimeter. This color would be a shade of red. Some other animals and insects can see slightly longer wavelengths, and many can not even see what we can.


What rhymes with wavelengths?

There are no perfect rhymes for the word wavelengths.


What is the wavelength of solar energy used for photosynthesis?

680 nanometers to 700 nanometers is about optimum for the photosynthetic rate but there are other wave lengths that plants do use.


Which has longer wavelengths x-Ray or radiation?

This is not a good question - x-ray IS radiation. It's just a specific type of radiation and longitude. But its very short - 10^-10 m (1 A). For example - the visible light spectrum is (more or less) from 400 to 800 nm (10^-9 m). That's why you cannot see x-rays.