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GK QUESTION#3093

Evangelista Torricelli is famous for what discovery?

  1. AInvention of spring balance
  2. BInvention of piezometer
  3. CInvention of mercury barometerCorrect answer
  4. DInvention of vacuum gauge
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Answer

C. Invention of mercury barometer

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Explanation

Torricelli is associated with the mercury barometer, which balances atmospheric pressure against the pressure of a mercury column. It is distinct from a spring balance, a piezometer and a Pirani vacuum gauge.

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