A-LevelPhysicsWavesMay/June 2010Paper 1 Q221 Mark
The diagram shows a steel wire clamped at one end and tensioned at the other by a weight hung over a pulley. [Figure 22.1] A vibration generator is attached to the wire near the clamped end. A stationary wave with one loop is produced. The frequency of the vibration generator is f. Which frequency should be used to produce a stationary wave with two loops?
Af / 4
Bf / 2
C2f
D4f
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The correct answer is C. This question tests the candidate's understanding of waves 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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