A-LevelPhysicsElectric fieldsMay/June 2014Paper 1 Q291 Mark

Two oppositely-charged horizontal metal plates are placed in a vacuum. A positively-charged particle starts from rest and moves from one plate to the other plate, as shown. [Figure 29.1] Which graph shows how the kinetic energy Eₖ of the particle varies with the distance x moved from the positive plate?

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

The correct answer is D: [Graph option D: Eₖ vs x].

Q: What topic does this question test?

This question tests Electric fields in A-Level Physics (syllabus code 9702). It is worth 1 mark.

A[Graph option A: Eₖ vs x]

B[Graph option B: Eₖ vs x]

C[Graph option C: Eₖ vs x]

D[Graph option D: Eₖ vs x]

✓ Correct Answer

The correct answer is D: [Graph option D: Eₖ vs x]

📋 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 Electric fields in A-Level Physics (syllabus code 9702). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Physics May/June 2014 examination, Paper 1 Variant 2.

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