What is the full form of 'Laser'?

  1. Light amplification by the stimulated emission of radiation
  2. Light amplification by the semiconductor emission of radiation
  3. Laser amplification by the semiconductor emission of radiation
  4. Laser amplification by the stimulated emission of radiation

Answer (Detailed Solution Below)

Option 1 : Light amplification by the stimulated emission of radiation
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Detailed Solution

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CONCEPT:

  • Laser (Light Amplification by the Stimulated Emission of Radiation): A device that stimulates molecules or atoms to emit light of particular wavelengths.
    • This light is then amplified, to produce a very narrow beam of radiation.

EXPLANATION:

  • The full form of LASER is Light amplification by the stimulated emission of radiation
  • So the correct answer is option 1.
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