Question

A block of wood is floating on oil with half of its volume
submerged. If the density of oil 840 kg m-%, the relative
density of wood (relative to water) is: (KVPY/2008)
(A) 0.84
(B) 0.42
(C) 0.21
(D) 1.00​

Answer 1

Answer:

0.42

Explanation:

Density of oil= 840 kg/m³

part of volume of wooden block submerged = 1/2

∴ density of wooden block= 1/2*840

= 420 kg/m³

density of water = 1000 kg/m³

∴ relative density of wood to water = 420/1000 = 0.42

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