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CTET Paper II (Mathematics and Science) 31 Dec 2021 Solved Paper

Question : 75 of 150

Marks: +1, -0

SI unit of pressure is

Solution:

Concept:

Pressure is force acting per unit area. Its SI unit is the pascal (Pa), which equals one newton per square meter.

Explanation:

The formula for pressure is

P = \frac{F}{A}

. The SI unit of force is the newton (N), and area is measured in square meters (

m^2

). Therefore, pressure has units of

\frac{N}{m^2}

N m^{-2}

, also called pascal.

Answer:

newton/ meter^{2}

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