Question

58. A wooden block is tied to a metallic rod of mass
100 g and immersed completely in water. When
the displaced water is collected in a measuring jar,
the volume of the liquid displaced is found to be
400 ml. If the density of the metallic rod is 5 g cm-3,
and the mass of the wooden block is 300 g, deter-
mine the density of the wooden block.​

Answer 1

Explanation:

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Answer 2

Answer:

Mass of the metallic rod = 100 g

The Volume of the metallic rod + volume of wooden block = 400 ml

The Density of the metallic rod = 5 g cm−3

The Volume of the metallic rod

=mass of the metallic rod density of the rod

=81

=n31,n3

=8,

n=2

Volume of wooden the block = 400−20=380cm3

Mass of the wooden block =mass volume

=300380

=0.79 g cm−3