what is the speed of light in vacuum?
Ashrafali11:
3×10^8m/s
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299,792,458 metres per second
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speed of light in vacuum is 186000 miles per second.
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299,792,458 meters : - 186000 miles
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or 300,000 km/s
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speed of light in vacuum is 186000 miles per second.
________________________________________________________
299,792,458 meters : - 186000 miles
________________________________________________________
or 300,000 km/s
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