A wooden cylinder floats vertically in water with half of its length immersed. density of wood is

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9-1.Fluid Mechanics

easy

A wooden cylinder floats vertically in water with half of its length immersed. The density of wood is

A

Equal of that of water

B

Half the density of water

C

Double the density of water

D

The question is incomplete

Solution

(b) $V\rho g = \frac{V}{2}\sigma g$

$\rho = \frac{\sigma }{2}$ ($\sigma$ = density of water)

Standard 11

Physics

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