Physics (AS & A Level) · Oct / Nov 2022 · Paper 12 · Question 27
9702Stationary waves
Two progressive waves meet at a fixed point P. The variation with time of the displacement of each wave at point P is shown. The two waves superpose at point P. What is the resultant displacement at time 0.38 s?
- A+1.0 cm
- B–1.0 cm
- C+1.8 cm
- D–1.8 cm
As printed in the paper
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Correct answer: B. –1.0 cm
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