Physics (AS & A Level) · May / June 2020 · Paper 23 · Question 4
9702
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Two progressive sound waves Y and Z meet at a fixed point P. The variation with time t of the displacement x of each wave at point P is shown in Fig. 4.1. x / μm –6 –4 –2 0 2 4 6 0 2.0 4.0 1.0 3.0 t / ms t / ms wave Y wave Z Fig. 4.1
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4(a)(i)[1]
4(a)(ii)[1]
4(b)[1]
4(c)[1]
4(d)[1]
4(e)[2]
4(f)[3]
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