A

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Q. Which of the following statements is not true regarding LASER?

  • (A) A LASER is a device that emits light through a process of optical amplification
  • (B) LASER beams can be focused to very tiny spots, achieving a very high irradiance.
  • (C) The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.
  • (D) LASER light is used in bar-code scanners
  • Correct Answer - Option(C)
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