The diagram illustrates a long rope that is fixed at one end. The free end is then moved up and down, creating a stationary wave. Determine the phase difference between the oscillations at X and Y?
- A$0$
- B$45^{\circ}$
- C$90^{\circ}$
- D$135^{\circ}$
Physics 9702 · AS & A Level · Stationary waves