How is light produced in a fluorescent bulb?

How is light produced by an element?

Atoms emit light when they are heated or excited at high energy levels. The color of light that is emitted by an atom depends on how much energy the electron releases as it moves down different energy levels. … The color of the light emitted would result from the amount of energy as it moves through shells.

How is light produced in nature?

Natural sources of light include the sun, stars, fire, and electricity in storms. There are even some animals and plants that can create their own light, such as fireflies, jellyfish, and mushrooms. This is called bioluminescence.

Why are fluorescent bulbs composed of several elements?

In order to convert the UV light given off by the mercury into visible light, the insides of fluorescent light bulbs are coated in a thin layer of phosphor – specifically, a blend of mixed phosphates. The phosphor layer blocks most of the ultraviolet light and what remains is emitted as visible light.

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