A-LevelPhysicsForces, density and pressureOct/Nov 2013Paper 1 Q221 Mark

Water in a bath varies in depth from 20.0 cm at the shallow end to 30.0 cm at the end with the plug. [Figure 22.1] The density of the water is 1000 kg m⁻³. What is the pressure of the water acting on the plug?

Q: What is the correct answer to this A-Level Physics question?

The correct answer is C: 2940 Pa.

Q: What topic does this question test?

This question tests Forces, density and pressure in A-Level Physics (syllabus code 9702). It is worth 1 mark.

A1960 Pa

B2450 Pa

C2940 Pa

D4900 Pa

✓ Correct Answer

The correct answer is C: 2940 Pa

📋 Examiner Report & Trap Analysis

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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Physics Question

Topic

This multiple-choice question tests Forces, density and pressure in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics Oct/Nov 2013 examination, Paper 1 Variant 2.

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