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Speed of light in air medium is how much by experimental calculation

Speed of light in air medium is how much by experimental calculation
 

Grade:12

2 Answers

Arun
25763 Points
2 years ago
Dear student
 
the refractive index of air for visible light is about 1.0003, so the speed of light in air is about 299,700 km/s (186,220 mi/s)
Vikas TU
14149 Points
2 years ago
Dear student 
Presently, the speed of light in a vacuum is defined to be exactly 299,792,458 m/s (approximately 186,282 miles per second). The fixed value of the speed of light in SI units results from the fact that the metre is now defined in terms of the speed of light

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