Question

If the body floats with (m/n)th of its volume above the surface of water,then the relative density of the material of the body is

Answer 1

Supose ρm is the density of material.

ρw is the density of water.

V is the volume of the material.

So mass of the body is Vρm

Volume outside water is m/nV

So volume inside water is V−m/nV=n−m/mV

volume of displaced water is n−m/mVρw

So we have

n−m/mVρwg=Vρmg

⇒ρw/ρm=m/[n−m]

m/[n−m] ANS

Answer 2

Answer:

The answer is (n-m)/n

Hope this will help you mate

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