Inventions Questions

Q:

Who invented first working laser?

A) A. H. Taylor B) W. K. Roentgen
C) T. H. Maiman D) Fred Morrission
 
Answer & Explanation Answer: C) T. H. Maiman

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Q:

Sewing machine was invented by

A) Alfred P. Southwick B) Isaac Singer
C) Murasaki Shikibu D) Hanaoka Seishu
 
Answer & Explanation Answer: B) Isaac Singer

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Q:

State Land Reform is under which part of the Constitution?

A) 7th Schedule B) 8th schedule
C) 9th Schedul D) 10th schedule
 
Answer & Explanation Answer: C) 9th Schedul

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Q:

Who invented logarithms?

A) Eden Snowden B) Larry Page
C) Thomas Edison D) John Napier
 
Answer & Explanation Answer: D) John Napier

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Q:

What did J. B. Dunlop invent?

A) Pneumatic rubber tire B) Car Music System
C) Steering Wheel D) Diesel Engine
 
Answer & Explanation Answer: A) Pneumatic rubber tire

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Q:

What was invented by J. B. Dunlop?

A) Airplane B) Car
C) Rubber Tyre D) Rubber Boot
 
Answer & Explanation Answer: B) Car

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Q:

Who invented the vacuum pump?

A) Otto von Guericke B) Cai Lun
C) Melitta Bentz D) William Henry Fox Talbot
 
Answer & Explanation Answer: A) Otto von Guericke

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Q:

Who Invented the 3-D printer?

A) Nick Holonyak B) Elias Howe
C) Chuck Hull D) Christiaan Huygens
 
Answer & Explanation Answer: C) Chuck Hull

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