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Question 23

From Physics HL Paper 1A (May 2025, TZ3)

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  1. S1S_1 and S2S_2 are two coherent sound sources with no phase difference. The wavelength of both waves is 0.20 m. P is a point 6.0 m away from S1S_1 and 6.5 m away from S2S_2 respectively. At P the amplitude of the wave from S1S_1 is x0x_0 and from S2S_2 is 2x02x_0.
    What is the resultant amplitude at P?

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