Home » General Knowledge » Discoveries & Inventions » Question
  1. The instrument used to measure pressure
    1. Anemometer
    2. Aneroid Barometer
    3. Hygrometer
    4. Thermometer
Correct Option: B

Aneroid barometer is an instrument for measuring pressure as a method that does not involve liquid. Invented in 1844 by French scientist Lucien Vidi, it uses a small, flexible metal box called an aneroid cell, which is made from an alloy of beryllium and copper.



Your comments will be displayed only after manual approval.