Grade 11General Physics
speed of light in vaccum ? and also on which places it is useful to us .
speed of light in vaccum ? and also on which places it is useful to us .
2 Answers
N JYOTHEESWAR
The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its value is exactly 299792458 metres per second, as the length of the metre is defined from this constant and the international standard for time.
RAMCHANDRARAO
the speed of light in vaccum is 3*10^8 m/s.speed of light commonly denoted by c.the formula for the calculate speed of light in any medium is v=c/n
here n is refactive index.
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