Define metre in terms of speed of light. According to class -9
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Explanation:
The metre is the length of the path travelled by light in a vacuum during a time interval of 1/299 792 458 of a second.” It follows that the speed of light in vacuum (c0) is exactly 299 792 458 metres per second (m/s) .
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Answer:
The metre is the length of the path travelled by light in a vacuum during a time interval of 1/299 792 458 of a second.” It follows that the speed of light in vacuum (c0) is exactly 299 792 458 metres per second (m/s).
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