question for 30 points
what is speed of light
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Speed of light in vacuum is nearly 3 × 10⁸ m/s
However, this speed decreases in higher refractive media.
However, this speed decreases in higher refractive media.
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Light travels fastest in vacuum with speed of 3 × 10^8 . in air the speed of light is marginally less, compared to that in vacuum. it reduces considerably in glass of water.
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