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UPSC 2005: Who among the following invented Lasers?
(a)Theodore Maiman
(b)Denis Papin
(c)Willam Moton
(d)Fancis Crick
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Not attemptedCorrect Answer: (a) Theodore Maiman
American physicist Theodore Harold Maiman built and operated the first working ruby laser on 16 May 1960, earning him recognition as the inventor of the laser. The other personalities listed are connected with steam engine (Denis Papin), cotton-gin–related work (William Morton) or DNA structure (Francis Crick), not lasers. ([britannica.com](https://www.britannica.com/biography/Theodore-Maiman?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2005 Science & Technology question?▼
The correct answer is option (a): Theodore Maiman. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Science & Technology History question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2005, GS Paper 1, as Question 49. It falls under Science & Technology > Science & Technology History.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Science & Technology History?▼
UPSC has asked 21 questions from Science & Technology History (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.