Physics (AS & A Level) · Oct / Nov 2023 · Paper 12 · Question 20
X and Y are two points on the surface of water in a ripple tank. A source of constant frequency generates a wave which travels past X and Y, causing them to oscillate vertically. What is the phase difference between X and Y?
- A45°
- B135°
- C180°
- D270°
As printed in the paper
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Correct answer: D. 270°
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