How the light generate in lazer ?

1.	How the light generate in lazer ?
Answer» is an acronym for light amplification by stimulated emission of radiation. A laseris created when the electrons in atoms in special glasses, CRYSTALS, or gases absorb ENERGY from an ELECTRICAL current or another laser and BECOME “excited.” ... First, its lightcontains only one WAVELENGTH (one specific color).

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How the light generate in lazer ?

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