GENERAL KNOWLEDGE

GK

INVENTIONS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What natural events led the Chinese to invent the seismograph?
A
tornadoes
B
hurricanes
C
blizzards
D
earthquakes
Explanation: 

Detailed explanation-1: -The earliest seismoscope was invented by the Chinese philosopher Chang Heng in A.D. 132. This was a large urn on the outside of which were eight dragon heads facing the eight principal directions of the compass.

Detailed explanation-2: -But Zhang Heng is most famed for inventing the world’s first seismoscope. He introduced his device to the imperial court in the capital of Luoyang in AD 132, seven years before his death AD 139.

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