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Question

The SI unit of pressure is:

This question was previously asked in
RRB Group D 2018 Question Paper (22-Sep-2018) (Shift 1)
The correct answer is

Pascal

Pressure is defined as force applied per unit area, so its SI unit is derived from the SI units of force (newton) and area (square metre).

One pascal equals one newton per square metre (1 Pa = 1 N/m²), named after French mathematician Blaise Pascal. Joule is the unit of energy, newton the unit of force and dyne is the CGS unit of force.

Hence, Pascal.

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Similar Questions

  1. If the surface area increases for the same thrust (force), then the pressure on the surface ______.

  2. A researcher collects air samples from 90° North latitude and finds a persistent high- pressure system. The underlying process that explains this observation is:

  3. Thrust per unit area is called ______.

  4. The SI unit of pressure is:


Important Questions from Pressure

  1. Deep-sea diving vessels have to withstand pressure from the crushing effect of seawater acting-

  2. The pressure increases with-

  3. At high altitudes, the air pressure is _______ than at sea level.
  4. The atmospheric pressure at sea level is ________, and is taken as the normal atmospheric pressure.

  5. The standard atmospheric pressure can not be expressed as

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