A-LevelPhysicsDynamicsMay/June 2010Paper 1 Q61 Mark

A vector quantity V is resolved into two perpendicular components X and Y. The angle between V and component X is θ. [Figure 6.1] The angle between component X and the vector V is increased from 0° to 90°. How do the magnitudes of X and Y change as the angle is increased in this way?

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

The correct answer is C: X: decrease, Y: increase.

Q: What topic does this question test?

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

AX: increase, Y: increase

BX: increase, Y: decrease

CX: decrease, Y: increase

DX: decrease, Y: decrease

✓ Correct Answer

The correct answer is C: X: decrease, Y: increase

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

Source

This question appeared in the Cambridge A-Level Physics May/June 2010 examination, Paper 1 Variant 2.

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