what is light explain in berief
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what is light explain in berief
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Light is form of electromagnetic energy which causes us a sensation of vision.
light has no mass does not mean that light is pure energy. Light is actually made up of objects called photons.
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ANSWER:—
Light is electromagnetic radiation that can be detected by the human eye.
EXPLINATION :—
light, electromagnetic radiation that can be detected by the human eye. Electromagnetic radiation occurs over an extremely wide range of wavelengths, from gamma rays with wavelengths less than about 1 × 10−11 metre to radio waves measured in metres. Within that broad spectrum the wavelengths visible to humans occupy a very narrow band, from about 700 nanometres (nm; billionths of a metre) for red light down to about 400 nm for violet light. The spectral regions adjacent to the visible band are often referred to as light also, infrared at the one end and ultraviolet at the other. The speed of light in a vacuum is a fundamental physical constant, the currently accepted value of which is exactly 299,792,458 metres per second, or about 186,282 miles per second.