A-LevelPhysicsWaves9702/12 · May/June 2010 · 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?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Af / 4
Bf / 2
C2f
D4f
✓ Correct answer
C: 2f
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