A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of its volume remians outside oil. The relative density of oil is

Options

A. `0.9`
B. `1.0`
C. `1.2`
D. `1.5`

Answer

D

Explanation

`V sigmag=0.6Vsigma_(1)g`
`and Vsigmag=0.4Vsigma_(2)g`
`therefore=6/4(sigma_(1))/(sigma_(2))`
`implies(sigma_(2))/(sigma_(1))=3/2=1.5`