Question

what is light
and please tell the speed of light ​

Answer 1

Answer:

Light is a form of electromagnetic radiation with a wavelength which can be detected by the human eye.

299 792 458 m / s this is the speed of light.

Explanation:

Hope you're satisfied :)

Answer 2

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Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye.

The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. In miles per hour, light speed is, well, a lot: about 670,616,629 mph. If you could travel at the speed of light, you could go around the Earth 7.5 times in one second.