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Selina Solutions Class 9 Physics Solutions for Exercise 4A in Chapter 4 - Chapter 4 Pressure In Fluids And Atmospheric Pressure
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Define one pascal (Pa), the S.I. unit of pressure.
Answer:
One pascal can be defined as the pressure exerted on a surface of area 1m2 by a force of 1N that acts normally on it. The S.I. unit of pressure is a newton per metre x metre
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