Question

What is light ????????????????????????????

Answer 1

Answer:

Light or visible light is electromagnetic radiation within the portion of the electromagnetic spectrum that can be perceived by the human eye. Visible light is usually defined as having wavelengths in the range of 400–700 nm, or 4.00 × 10⁻⁷ to 7.00 × 10⁻⁷ m, between the infrared and the ultraviolet.

Answer 2

Qᴜᴇꜱᴛɪᴏɴ :

➣ What is light ?

ᴀɴꜱᴡᴇʀ :

➛ Light, electromagnetic radiation that can be detected by the human eye. Within that broad spectrum the wavelengths visible to humans occupy a very narrow band, from about 700 nanometres (nm; billionths of a metre) for red light down to about 400 nm for violet light.

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