A-LevelPhysicsForces, density and pressureOct/Nov 2017Paper 1 Q111 Mark
The diagram shows a block of copper suspended in water. [Figure showing a block of copper suspended in water with face S (top) and face R (bottom) labelled] The block experiences an upthrust from the water. Which statement is the basis of an explanation for this upthrust?
ACopper is more dense than water.
BThe area of face R is greater than the area of face S.
CThe density of water increases with depth.
DThe pressure of water increases with depth.
✓ Correct Answer
The correct answer is D. This question tests the candidate's understanding of forces, density and pressure within the Physicssyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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