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Laser and its characteristics for Grade XII:-

A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. Laser = Acronym for Light Amplification By Stimulated Emission of Radiation   Characteristics of laser 1. It is monochromatic ie. having single color. 2. It is collimated i:e Unidirectional. 3. It is coherent i:e same phase. 4. … Read moreLaser and its characteristics for Grade XII:-