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AnonymFeb 10, 2013

What is light speed?

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    Feb 10, 2013

    Light Speed is also known as Speed of Light, It is speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its value is 299,792,458 metres per second, a figure that is exact because the length of the metre is defined from this constant and the international standard for time.[1] In imperial units this speed is approximately 186,282 miles per second.

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