Science, asked by das447589, 6 months ago

ans fast pls please please please please please please please please please

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Answered by Anonymous

Answer:

The speed of light in vaccum is 3,00,000km per hour

Answered by rasneet25

The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second).

By the way, light travels at 186,000 miles per SECOND, not per hour. First of all, a light-year is the distance light travels in one year. The star Alpha Centauri is about 4 light-years away, so light from Alpha Centauri takes 4 years to get to the Earth.

please check it

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