Two coherent sources of a sound S1 and S2 produce sound waves of the same wavelength \lambda =1m in the phase. S1 and S2 are placed 1.5m apart. A listener located at L, directly in front of S2 find that the intensity is at a min. When hs is 2m away from S2. The listener moves away from S1 keeping his distance from S2 fixed. The adjacent maxmimum of intensity is observed when the listener is at a disatnce d from S1. Then d is:


Option: 1 5m
Option: 2 12m
Option: 3 2m
Option: 4 3m

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