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Q:

Who Invented Modern Frequency Modulation FM Radio ?

A) Peter Durand B) Percy Shaw
C) Edwin H. Armstrong D) Leo Hendrik Baekeland
 
Answer & Explanation Answer: C) Edwin H. Armstrong

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Filed Under: Inventions

Q:

Who Invented Microwave Oven ?

A) Lewis Edson Waterman B) Levi Strauss
C) Percy LeBaron Spencer D) Sir Sandford Fleming
 
Answer & Explanation Answer: C) Percy LeBaron Spencer

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Q:

Who Invented Traffic Signal ?

A) Lewis Edson Waterman B) Levi Strauss
C) Percy LeBaron Spencer D) Garrett Augustus Morgan
 
Answer & Explanation Answer: D) Garrett Augustus Morgan

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Q:

Who Invented Piano ?

A) Bartolomeo Cristofori di Francesco B) Ruth Graves Wakefield
C) Adolf Gaston Eugen Fick D) Jacques Cousteau
 
Answer & Explanation Answer: A) Bartolomeo Cristofori di Francesco

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Q:

Who Invented The World Wide Web ?

A) Sir Timothy John B) Earle Dickson
C) James Rineose D) Laszlo Jozsef Biro
 
Answer & Explanation Answer: A) Sir Timothy John

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Q:

Lift was invented by

A) Otis B) Domagk
C) Lee De Forest D) None of these
 
Answer & Explanation Answer: A) Otis

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Q:

Typewriter was invented by

A) Shockley B) Sholes
C) Howe D) None of these
 
Answer & Explanation Answer: B) Sholes

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Q:

Air conditioner was discovered by

A) Edison B) Wilson
C) Carrier D) Roentgen
 
Answer & Explanation Answer: C) Carrier

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Filed Under: Inventions