GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What time span of inventions are the 1920’s?
A
1920-1924
B
1900-2000
C
2020-1920
D
1920-1929
Explanation: 

Detailed explanation-1: -1920s technology. The 1920s was a decade of new inventions. This was the time directly after World War I, and when soldiers were eager to return to a more prosperous life. To help them enjoy their new lives new technologies such as the radio, silent movies and Henry Ford’s automobile industry were invented.

Detailed explanation-2: -The Electric Automatic Traffic Signal. Garret Morgan is credited with inventing the first electric automatic traffic signal in 1923. Quick-Frozen Food. The Band-Aid® Water Skis. Electric Blender. Television. Vacuum Cleaner. 12-Jun-2020

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