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General Science • PhysicsMedium

What happens to the pressure at the bottom of a container filled with an incompressible liquid if the depth of the liquid is doubled and the atmospheric pressure is neglected?

A. It remains unchanged
B. It is halved
C. It is doubled✓ Correct Answer
D. It quadruples

💡 Solution & Explanation

Hydrostatic pressure at any given depth inside a liquid is expressed by the relation P equals product of density, acceleration due to gravity, and depth. Assuming density and gravity remain constant, pressure is directly proportional to the depth of the liquid column. Doubling the depth therefore results in a direct doubling of the hydrostatic pressure at the base. Distractors suggesting non-linear changes or independence ignore Pascal's principles of fluid statics.

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