Questions
Two non-mixing liquids of densities and are put in a container. The height of each liquid is . A solid cylinder of length and density
is put in this container. The cylinder floats with its axis vertical and length in the denser liquid. The density is equal to
detailed solution
Correct option is B
d=density of cylinder A=area of cross-section of cylinder using law of floatation,Using law of floatation, Weight of cylinder = Upthrust by two liquidsL×A×d×g=nρ×(pL×A)g+ρ(L-pL)Agd=npρ+ρ(1-p)=(np+1-p)ρd={1+(n-1)p}ρSimilar Questions
Consider the following statements
(A) Specific gravity of a fluid is a dimensionless quantity.
(B) It is the ratio of density of fluid to the density of water.
Select the correct option.
(a) (A) is false but (B) is true.
(b) Both (A) and (B) are true.
(c ) (A) is true but (B) is false.
(d) Both (A) and (B) are false.
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