Science, asked by neenu9, 1 year ago

how the speed of light is measured

Answers

Answered by antra79

2

A method of measuring the speed of light is to measure the time needed for light to travel to a mirror at a known distance and back. ... Knowing the distance between the wheel and the mirror, the number of teeth on the wheel, and the rate of rotation, the speed of light can be calculated.

One light year: 1.0 year

Metres per second: 299792458

Miles per second: 186000

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