CAPE Physics Unit 1 · 2009 · Paper 1 · Question Q23

A standing wave is set up on a stretched string XY as shown in the diagram below. Which of the following statements is correct?

1. (A)Oscillations of Points P and Q are out of phase with each other.
2. (B)Particle at X arrives at Point R one period later.
3. (C)Oscillations at Points X and Q are exactly in phase with each other.
4. (D)Oscillations at Points Q and S are exactly in phase with each other.

This question uses a figure or table from the paper — you'll see it when you practise.