density

If a body with cavities floats half submerged in liquid of density 900 kg/m3. Then choose the incorrect statement.

The average density of body is 450 kg/m^3
the density of material of the body may be greater than 900 kg/m^3
the density of material of the body may be less than 900 kg/m^3
the density of material of the body may be less than 450 kg/m^3

is the ans option 1?

2 Answers

62
Lokesh Verma ·

If you consider a boat... does any part of the boat have density less than that of water? (assume it to be made of iron and not wood!)

106
Asish Mahapatra ·

sir,,, BT gave answer as the last one...

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