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JAMB Physics 2009 Question 14

Question 14

Pressure

I. Density of the liquid.
II. Acceleration due to gravity
III. Type of container of the liquid
IV. The constituents of the liquid.
Which of the above conditions will NOT affect the pressure of fluids?

  1. A.I and III only
  2. B.II and III only
  3. C.III and IV only
  4. D.I and II only
Show the answer and explanation

Answer: C (III and IV only)

Explanation

Fluid pressure is p = hρg, so it depends on depth, density and g. It does not depend on the shape or type of container, or on what the liquid is made of apart from its density.