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How are astronomical units and light years different?
1 Astronomical Unit (AU) is the average distance between the earth and the sun. It is approximately 149,598,000 km. 1 light year (ly) is the distance light travels in one year. It is approximately...
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Light of different colors is different in and?
Wavelength and frequency.
(But the product of the [ wavelength x frequency ] of any color is always the same number.)
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How is uv light different from light?
It is different because the UV light is brighter then a normal light and it is like a laser. UV light is different to normal light because it is invisible and the wave length is smaller.
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What is a unit of light?
Photon is elementary particle of light and electromagnetic energies
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What is the unit of light?
A photon is the unit in which light comes. A bundle of them is a "ray" of light. Light sources like a light bulb emit astronomical numbers of them every second they are on.
Please keep an open mind...