Inventions Questions

Q:

In the 1700s,who would pay the postage fee for letters before the stamp was invented?

A) The sender B) There was no fee
C) The receiver of the letter D) The post office
 
Answer & Explanation Answer: C) The receiver of the letter

Explanation:

Later in 1840, Rowland Hill invented the stamp, which was paid for by the sender, not the receiver.

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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

Explanation:
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Q:

In which decade was the Internet first implemented?

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

Explanation:
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17 11012
Q:

Cinematography was invented by

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

Explanation:
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21 10768
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 10752
Q:

 What invention caused many deaths while testing it?

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

Explanation:
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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

Explanation:
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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

Explanation:
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