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?
A1960 Pa
B2450 Pa
C2940 Pa
D4900 Pa
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The correct answer is C. 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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