Q.
A body floats in a liquid of relative density 1.5 with 40% of its volume outside that liquid. If 50% of volume of same body remain in oil, the relative density of oil is
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a
1.0
b
1.5
c
1.8
d
1.75
answer is C.
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Detailed Solution
condition of floating Buoyant force is equal to weight of the body i.e Vinside× dl = weight of the body here 0.6V 1.5=W 0.5V doil =W equating we get doil= 1.8
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