Q1 of 44 Page 335

Write true or false for the following statements :

Relative density has no unit.

True
Relative density is a ratio of density of a substance to the density of water. Thus, it has no unit.

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7

A wooden cube of side 10 cm has a mass of 700 g. It floats in water with :

 8

Archimedes’ principle states that when a body is totally or partially immersed in a fluid, the upthrust is equal to :

 2

Write true or false for the following statements :

Archimedes’ principle does not apply to gases.

 3

Write true or false for the following statements :

Any solid will sink in water if its relative density