Speed of light is_____ in air
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The Correct Answer is Opton 2 i.e 3 x 108 m/s. Light travels in a straight line. Light in the air is 1.0003 times slower than light in a vacuum, which slows it all the way down from 299,792,458 meters per second to 299,702,547 meters per second.
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It is three multipled by 10 to the power 8
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