JAMB Physics 2011 Objective — Question 9

Question 9 of 49 from the Joint Admissions and Matriculation Board (JAMB) Physics 2011 Objective paper, with the correct answer and a full explanation.

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?

A. A. I, II and III
B. B. I and III only
C. C. I and II onlyCorrect
D. D. II and III only

Explanation

Using P = hρg: pressure (P) depends on the depth below the liquid surface (h) and the density of the liquid (ρ), and the acceleration due to gravity (g), but not on surface area of the liquid - so pressure is dependent on I (density) and II (depth) only.

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