General Knowledge Exam MCQs – Practice Test 12 (Chapter 14)
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Download the "Technology Inventions Notes" App: 'LASER' was invented in; MCQ with answers: 1958 - 1960, 1940 - 1943, 1948 - 1951, and 1958 - 1941. Practice Black Hole Facts Quiz Questions, download Kobo e-Book (Free Chapter) to strengthen memory skills.
MCQ 56: The 'LASER' was invented in
MCQ 57: Richard Trevithick invented railway steam locomotive in
MCQ 58: Microcomputer 'MITS' Altair 8800 was designed in
MCQ 59: Railroad locomotive was invented by
MCQ 60: Penicillin was massively produced in
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