Inventions Questions

Q:

Revolver discovered by

A) Colt B) Mercafter
C) Bushwell D) Daimler
 
Answer & Explanation Answer: A) Colt

Explanation:
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33 11994
Q:

In which decade was the Internet first implemented?

A) 1940s B) 1960s
C) 1970s D) 1980s
 
Answer & Explanation Answer: B) 1960s

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17 11675
Q:

The first hand glider was designed by…?

A) Leonardo DaVinci B) The Wright brothers
C) Francis Rogallo D) Galileo
 
Answer & Explanation Answer: A) Leonardo DaVinci

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17 11586
Q:

Cinematography was invented by

A) Graham Bell B) Edison
C) Zeiss D) Faraday
 
Answer & Explanation Answer: B) Edison

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21 11526
Q:

Who invented Radar?

A) Henrey Backquerel B) Max Planck
C) Robert Watson Watt D) Humphrey Davy
 
Answer & Explanation Answer: C) Robert Watson Watt

Explanation:

Who_invented_Radar1556273104.jpg image

RADAR stands for Radio Detection and Ranging.

Radar is a detecting system that uses radio waves to determine the range, angle, or velocity of objects. It operates in the ultra-high-frequency of the radio-frequency (RF) spectrum.

 

Uses ::

To detect

aircraft,

ships,

spacecraft,

guided missiles,

motor vehicles,

weather formations, and

terrain.

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18 11393
Q:

 What invention caused many deaths while testing it?

A) Dynamite B) Ladders
C) Race cars D) Parachute
 
Answer & Explanation Answer: D) Parachute

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14 10618
Q:

What furniture item was invented by California furniture designer Charles Prior Hall in 1968?

A) Sofa bed B) Captain's chair
C) Waterbed D) Hammock
 
Answer & Explanation Answer: C) Waterbed

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6 10004
Q:

Simpson and Harrison are associated with the invention of

A) Boson B) Chloroform
C) Balloon D) None of these
 
Answer & Explanation Answer: B) Chloroform

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14 9750