Emit long-range radio waves of wavelength

Reference no: EM13665493

In the figure below, sources A and B emit long-range radio waves of wavelength λ =430 m, by the phase of the emission from A ahead of that from source B by 90°. The distance r A from A to detector D is greater than the corresponding distance B with 150 m. What is the phase difference at D?

Reference no: EM13665493

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