First working laser developed by -----:

A ) Theodore Maiman ✅

B ) Robert Boyle

C ) Max Planck

D ) None of these

Related Questions
  1. Which of the following Discoveries in 1928 brought great revolution in medical history?
  2. Insulin was discovered by -----
  3. The printer was discovered by
  4. Ronald Ross discovered the cause of ------
  5. Who discovered DNA?
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