In the figure below, are two equally tense convert sources emitting radiation of wavelength 20 m. The seperation b/w is 5 m and the phase of is ahead of that of by . and are 3 distinct point of observation, each equidistant from the mid-point of The intransition of radiation at and will be in ratio:-
Option: 1
Option: 2
Option: 3
Option: 4
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