Question

what is speed of light??????​

Answer 1

Answer:

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second.

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Answer 2

${\sf{\red{ \underline{{\blue{The \: speed \: of \: light \: is \: { \orange{3 \times {10}^{8} } \: \frac{m}{s} \: .}}}}}}}$