Question

What is light and its speed?​

Answer 1

Answer:

speed of light, speed at which light waves propagate through different materials. In particular, the value for the speed of light in a vacuum is now defined as exactly 299,792,458 metres per second. ... The speed of light is considered a fundamental constant of nature.

Explanation:

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Answer 2

Answer:

hey friend your answer is

Explanation:

Light, or Visible Light, commonly refers to electromagnetic radiation that can be detected by the human eye. Light can also be described in terms of a stream of photons, massless packets of energy, each travelling with wavelike properties at the speed of light.

speed of light = 3x10⁸ m/s

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