Physics, asked by KAPILMUNI, 11 months ago

describe the constantly of speed of light

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Answered by lesasunny

Answer:

The metre is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. This defines the speed of light in vacuum to be exactly 299,792,458 m/s. This provides a very short answer to the question "Is c constant": Yes, c is constant by definition!

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