Who invented the LASER

Options :
  1. Sir Frank Whittle
  2. Fred Morrisson
  3. Charles H Townes
  4. Seymour Cray
Answer and Explanation :-

Answer: Option 3

Explanation:

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Fair as the moon and joyful as the light Tot wan with waiting, not with sorrow dim Not as she is, but was when hope shone bright Not as she is, but as she fills his dreams.
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