SSC CHSL 8 Jun 2022 Shift 1 Paper

Section: General Awareness

Question : 92 of 100

Marks: +1, -0

Who was famous for the invention of the vacuum pump in the 17^thcentury and also pioneered the concept of the absolute vacuum of space, measured the weight of air and used air pressure to predict the weather?

John Cockcroft
Otto von Guericke
Enrico Fermi
Valerianus Magnus

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