engineering english MCQ #765

The text describes the characteristics of a laser. What is the property that makes it coherent?

engineering english MCQ #765

  1. Question 1

    Q1. The text describes the characteristics of a laser. What is the property that makes it coherent?

    • A) Monochromaticity
    • B) Directionality
    • C) Polarization
    • D) Phase locking

    Answer: Phase locking

    Explanation: The property that makes a laser coherent is phase locking, ensuring that the light waves are in phase with each other.