Liquids At Rest - Jamb Physics Past Questions and Answers

Question 16:

• JAMB 1992

If a plastic sphere floats in water (density = 1000kgm³) with 0.5 of its volume submerged, and floats in oil with 0.4 of its volume submerged the density of the oil is

A. 800kgm³
B. 1200kgm³
C. 1250kgm³
D. 2000kgm³

Question 17:

• JAMB 1992

The fig above shows the heights of two liquids X and Y when some air is sucked out of the apparatus through the pump P. The diameter of the table in X is twice That of the Tube In Y. What is the relative density of the liquid X with respect to liquid Y

A. 1/3
B. 2/3
C. 3
D. 6

Question 18:

• JAMB 1993

An object of mass 400g and density 600kgm^-3 is suspended with a sting so that half of it is immersed in paraffin of density 900kgm^-3. The tension in the string is

A. 1.0N
B. 3.0N
C. 4.0N
D. 5.0N

Question 19:

• JAMB 1994

If it takes 5.0 hrs to drain a container of 540.0cm³ of water, what is the flow rate of water from the container in kg^-1? [Density of water = 1000kgm^-3]

A. 32.5kg^-1 s
B. 31.5kg^-1
C. 30.8kg^-1 s
D. 30.0kg^-1 s

Question 20:

• JAMB 1994

If it takes 5.0 hrs to drain a container of 540.0cm³ of water, what is the flow rate of water from the container in kg^-1? [Density of water = 1000kgm^-3]

A. 32.5kg^-1 s
B. 31.5kg^-1
C. 30.8kg^-1 s
D. 30.0kg^-1 s