Answers

2016-01-15T20:54:19+05:30
speed of light in air = 300000000 m/s (approx answer)
exact analysis
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Speed of light (in Media) = Speed of Light (in Vacuum) / Refreactive Index of Material 
Speed of light in air = 2.99 x 10^8 / 1.003 = 2.981 x 10^8 ms^-1
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2016-01-15T20:57:23+05:30
300000000 m/s . This is the speed of light. It is actually 3×10 raise to 8 m/s

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