The closest definition of a laser would be which of the following definitions?

Options :
  1. A device that produces coherent light with a narrow range of wavelengths.
  2. A device that produces extremely intense light.
  3. A device that projects electrons at high speed.
  4. A device that polarize photons, propelling them by magnetic repulsion.
Answer and Explanation :-

Answer: Option 1


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But I'm not special", Bailey says, "not the way they are. I'm not anyone important." "I know", Celia said, "you are not destined or chosen. I wish I could tell you that you were if that would make it easier, but it is not true. You are in the right place, at the right time, and you care enough to do what needs to be done. Sometimes that is enough.
-Erin Morgenstern The Night Circus