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Byju's Answer

Standard IX

Mathematics

Volume of a cuboid

Two cylinders...

Question

Two cylinders of same cross section and length L but made of two material of density p1 and p2 RC mentors together to form a cylinder of length 2L if the combination floats in water with the length L by 2 above the surface of water and p1<p2 then
a) p1>1g /cm³
b) p2>3/2 g/cm³
c) p1<8/9 g/cm³
d) p1<3/4 g/cm³

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Solution

in step 3 =>

density = mass / volume

mass = density * volume

=area * length density (volume= area length)

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in step 3 => density = mass / volume mass = density * volume =area * length *density (volume= area * length)

in step 3 =>

density = mass / volume

mass = density * volume

=area * length density (volume= area length)