Question

speed of light c is​

Answer 1

Answer:

3 * 10^8m/s

Explanation:

to be more precisely 299792458m/s

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Answer 2

ans.

dear frd

approximately 300000 km/s

The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is defined as 299792458 metres per second (approximately 300000 km/s, or 186000 mi/s).