Question

what is speed of light

Answer 1

Answer:

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.

Explanation:

Answer 2

Answer:

Read below

Explanation:

All the speed of light like:-

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).

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