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JAMB Physics 2011 Question 10

Question 10

Pressure

I. Density of the liquid.
II. Depth below the surface of the liquid.
III. Surface area of the liquid.
In which of the statements above will pressure be dependent?

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

Answer: C (I and II only)

Explanation

Pressure in a liquid is p = hρg: it depends on the depth h and the density ρ, but not on the surface area.