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JAMB Physics 2012 Question 17

Question 17

Pressure

The pressure at any point in a liquid at rest depends only on the

  1. A.depth and the density
  2. B.mass and the volume
  3. C.quantity and the surface area
  4. D.surface area and the viscosity.
Show the answer and explanation

Answer: A (depth and the density)

Explanation

Liquid pressure p = hρg depends only on the depth h and density ρ (g being fixed).