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Q: 'Torr' is a unit of ––––––.
  • A. force
  • B. energy
  • C. pressure
  • D. power
Correct Answer: Option C - Torr is the unit of atmospheric pressure. The pressure exerted by all the layer of air in the atmosphere on unit area of the surface of the earth is called atmospheric pressure. Atmospheric pressure is equal to the weight of the 760 mm column of mercury. 1 bar = 1 × 10⁵ Pascal or 1 Newton/m²
C. Torr is the unit of atmospheric pressure. The pressure exerted by all the layer of air in the atmosphere on unit area of the surface of the earth is called atmospheric pressure. Atmospheric pressure is equal to the weight of the 760 mm column of mercury. 1 bar = 1 × 10⁵ Pascal or 1 Newton/m²

Explanations:

Torr is the unit of atmospheric pressure. The pressure exerted by all the layer of air in the atmosphere on unit area of the surface of the earth is called atmospheric pressure. Atmospheric pressure is equal to the weight of the 760 mm column of mercury. 1 bar = 1 × 10⁵ Pascal or 1 Newton/m²