What is speed of light in air and in vacuum. In which medium it can travel fastest
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"Nothing can travel faster than the speed of light in a vacuum." "Light in a vacuum always travels at the same speed." Those additional three words in a vacuum are very important.
adityajha123:
I want speed in air and in vacuum?
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Light travels fastest in the vaccum with the speed of 3 × 10^8 m/s.
It's speed decreases partially in the air.
It's speed decreases partially in the air.
What is it's speed in air?
299792458 m/s
it's only a little bit less
Thanx
your welcome
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