Multiple choice

What does LASER stand for?

  1. Light Amplification by Stimulated Emission of Radio-waves

  2. Light Augmented by Stimulated Emission of Radiation

  3. Light Augmented by Stimulated Emission of Radio-waves

  4. Light Amplification by Stimulated Emission of Radiation

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D Correct answer
Explanation

LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. This describes the physical process by which the laser beam is generated.