Exploring Light and Color: How Light is Produced
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The movement of electrons to a lower energy level in an atom may release energy in the form of light, which is a type of electromagnetic radiation. The bundle of energy released is sometimes called a... (more info)

The movement of electrons to a lower energy level in an atom may release energy in the form of light, which is a type of electromagnetic radiation. The bundle of energy released is sometimes called a photon of light.

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