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Inventions MCQs – Certification Test 145

Laser Trivia (Question 145) – Learning App & e-Book Download

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MCQ 145: The first laser was invented by an American engineer named as:

  1. Sind ibn Ali
  2. Ibraim al Fazari
  3. Sir Theodore Maiman
  4. Sir Steven Sasson
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8th Class Science Test Questions

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