What is light ?

Light is a energy cause vision in our
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Light is a energy cause sensation vision in our eyes
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the form of energy that makes it possible to see things?is called light.
It can be produced by sun, lamp, torch
Etc
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Light is a source of energy and we also know this that there are also many source of energy like wind energy , water energy ,etc.So from one of the energies light energy is there and we get light from sun , the first object that gave us the light , tubelight , lamp , torch , etc
regards
hope this helps!
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light is a for of energy
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Light is a form of electromagnetic radiation that acts upon the eye, making sight possible
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nitin why did you asked the question if you knew the answer akready.
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light is a form of energy
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light is a luminous energy that helps us to see.
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Light is difined as the external physical cause that effects our eye to produce the sensation of vision
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Q.)What is light?
Ans.)- Light is a form of energy which causes the sensation of vision.
OR, 
Light is a form of electromagnetic radiation that acts upon the eye, making sight possible
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Light is a form of energy which can travel as a wave and cause a sensation of vision
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The path of reflection pass thorught stright line is called reflection
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Light?is?electromagnetic radiation?within a certain portion of the?electromagnetic spectrum. The word usually refers to?visible light, which is the?visible spectrum?that is visible to the?human eye?and is responsible for the sense of?sight.[1]?Visible light is usually defined as having?wavelengths?in the range of 400?700?nanometres?(nm), or 4.00 ? 10?7?to 7.00 ? 10?7?m, between the?infrared?(with longer wavelengths) and the?ultraviolet?(with shorter wavelengths).[2][3]?This wavelength means a?frequency?range of roughly 430?750?terahertz?(THz).
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Do you take which subject
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Light is a form of energy
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90000
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Light is a energy. It helps to see thinks around us. It can also be defined as electromagnetic radiation.
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Light is electromagnetic radiation with a certain portionof electromagnetic spectrum. Visible light is ussually definedas having wavelengths in the range of 400-700 nanometres between the infrared (with longer wavelength) and the ultraviolet (wit shorter wavelength).
The speed of light is 299 792.458 kilometers per second .
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