A wooden block floats in water with two-third of its volume submerged. The density of wood is $X k g m^{- 3}$ . Find $X$ .

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None of the above

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Solution

The correct option is D None of the above
Let $X$ be the density of wood.

$\frac{D e n s i t y o f w o o d}{D e n s i t y o f w a t e r}$ = Part of block submerged

So, $\frac{X}{1000} = \frac{2}{3}$

or, $X = \frac{2}{3} \times 1000 = 666.66 k g m^{- 3}$

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A wooden block floats in water with two-third of its volume submerged. The density of wood is Xkgm−3. Find X.

The correct option is D None of the aboveLet X be the density of wood.Density of woodDensity of water = Part of block submergedSo, X1000=23or, X=23×1000=666.66kgm−3

A wooden block floats in water with two-third of its volume submerged. The density of wood is $X k g m^{- 3}$ . Find $X$ .

The correct option is D None of the above
Let $X$ be the density of wood.

$\frac{D e n s i t y o f w o o d}{D e n s i t y o f w a t e r}$ = Part of block submerged

So, $\frac{X}{1000} = \frac{2}{3}$

or, $X = \frac{2}{3} \times 1000 = 666.66 k g m^{- 3}$