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Density

A solid weigh...

Question

A solid weighs $200 kgf$ in air and $186 kgf$ when immersed completely in water. What is the relative density of this solid?

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Solution

Given : Weight of body in air = $200 kgf$
Weight of body in water = $186 kgf$

R.D. of solid is given by : $⟹ \frac{Weight of substance in air}{Weight of body in air - Weight of body in water}$

$⟹ \frac{200}{200 - 186}$
$= 5$

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