Q4 of 176 Page 123

Name the quantity whose one of the units is Pascal (Pa).

The quantity whose one of the units is Pascal (Pa) is pressure. Pressure is an expression of force exerted on a surface per unit area.


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What is the density of water in SI units?

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What is the value of relative density of water?

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State the units in which pressure is measured.

 6

State whether the following statements are true or false:

(a) The buoyant force depends on the nature of object immersed in the liquid.


(b) Archimedes’ principle can also be applied to gases.