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A-LevelPhysicsForces, density and pressure9702/12 · Feb/Mar 2025 · Q101 Mark

An object is fully submerged in a liquid. A student determines the ratio upthrust acting on the object weight of the object Which single change would double the value of this ratio?

AUse a different liquid that has twice the density and the same volume as the original liquid.
BUse a different object that has half the volume and the same density as the original object.
CUse a different object that has twice the density and the same volume as the original object.
DUse a different object that has twice the volume and the same density as the original object.

✓ Correct answer

A: Use a different liquid that has twice the density and the same volume as the original liquid.

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About this question

Topic
Forces, density and pressure, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source
A-Level Physics, Feb/Mar 2025 Paper 1 Variant 2, question 10.

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