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 Inventions Questions

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Q:

The credit of inventing the television goes to

A) Philo Farnsworth B) John Logie Baird
C) Charles Francis Jenkins D) None of the above
 
Answer & Explanation Answer: A) Philo Farnsworth

Explanation:

The credit of inventing the television goes to Philo Farnsworth. Electronic television was first successfully demonstrated in San Francisco on Sept. 7, 1927.

 

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Q:

Who invented ECG?

A) Hans Berger B) Einthoven
C) G. Bist D) None of the above
 
Answer & Explanation Answer: B) Einthoven

Explanation:
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Q:

Who invented Radio?

A) Grahambell B) Galileo
C) Marconi D) Edison
 
Answer & Explanation Answer: C) Marconi

Explanation:

Guglielmo Marconi, an Italian invetor invented Radio in 1890's.

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Q:

Who invented FM radio?

A) Edwin Howard Armstrong B) Thomas Alva Edison
C) Graham Bell D) Galileo
 
Answer & Explanation Answer: A) Edwin Howard Armstrong

Explanation:
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Q:

What did Sir William Herschel discover in 1800?

A) Ultraviolet rays B) Infra-red radiation
C) X rays D) Microwaves
 
Answer & Explanation Answer: B) Infra-red radiation

Explanation:

Sir William Herschel discovered Infra-red radiation in 1800.

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Q:

Magic Marker was invented by _______.

A) Adolphe Sax B) Albert Bruce Sabin
C) Sidney Rosenthal D) Hyman George Rickover
 
Answer & Explanation Answer: C) Sidney Rosenthal

Explanation:
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Q:

Who Invented Internet Protocol?

A) Vint Cerf B) David Chaum
C) Georges Claude D) Josephine Cochrane
 
Answer & Explanation Answer: A) Vint Cerf

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Q:

Who Invented postage stamp?

A) Ruth Handler B) John Harington
C) Rowland Hill D) Felix Hoffmann
 
Answer & Explanation Answer: C) Rowland Hill

Explanation:
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