The figure below, two point sources S1 and S2, which are in phase, emit identica

Question

The figure below, two point sources S1 and S2, which are in phase, emit identical sound waves of wavelength 2.0 m. In terms of wavelengths, what is the phase difference between the waves arriving at point P if L1 = 38 m and L2 = 34 m? 0-6 wavelengths 2-0 wavelengths 1.5 wavelengths 3-2 wavelengths In terms of wavelengths, what is the phase difference between the waves arriving at point P if L1 = 39 m and L2 = 36 m? 1.5 wavelengths 2-0 wavelengths 1-6 wavelengths 2.3 wavelengths Assuming that the source separation is much smaller than L1 and L2, what type of interference occurs at P in situation (a). fully constructive fully destructive Assuming that the source separation is much smaller than L1 and L2, what type of interference occurs at P in situation (b). fully constructive fully destructive

Explanation / Answer

2.0 wavelengths

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