Physics (AS & A Level) · Feb / March 2019 · Paper 12 · Question 27

P and Q are fixed points at the end of a string. A transverse stationary wave of constant maximum amplitude is formed on the string. P, R and Q are the only points on the string where nodes are formed. S and T are two points on the string at a distance x from R. What is the relationship between points S and T?

1. Athe same amplitude and in phase
2. Bdifferent amplitudes and in phase
3. Cthe same amplitude and a phase difference of 180°
4. Ddifferent amplitudes and a phase difference of 180°

As printed in the paper