Multiple choice general knowledge

LASER stands for?

  1. Light Amplification for Stimulated Emission of Radiation

  2. Light Amplifier for Stimulated Emission of Radiation

  3. Light Amplification for Sustained Emission of Radiation

  4. Light Amplification for Stimulated Emit of Radar

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

LASER stands for Light Amplification by Stimulated Emission of Radiation. The question uses 'for' which is slightly incorrect - the standard expansion uses 'by'. Option A is the closest to the correct acronym and matches the intended expansion.