A-LevelPhysicsSuperpositionMay/June 2023Paper 1 Q261 Mark

The sound from a loudspeaker placed above a tube causes resonance of the air in the tube. A stationary wave is formed with two nodes and two antinodes, as shown. [Figure 26.1] The tube has height 60 cm. The speed of sound in the air is 340 m s⁻¹. What is the frequency of the sound?

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

The correct answer is A: 430 Hz.

Q: What topic does this question test?

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

A430 Hz

B570 Hz

C850 Hz

D1700 Hz

✓ Correct Answer

The correct answer is A: 430 Hz

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

Source

This question appeared in the Cambridge A-Level Physics May/June 2023 examination, Paper 1 Variant 2.

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