Problem

Problem

Figure shows two coherent sources S1S_1 and S2S_2 vibrating in same phase. ABAB is an irregular wire lying at a far distance from the sources S1S_1 and S2S_2. Let λd=10−3\frac{\lambda}{d} = 10^{-3}, ∠BOA=0.12∘\angle BOA = 0.12^\circ. How many bright spots will be seen on the wire, including points AA and BB ? ![](https://storage.googleapis.com/diraq-contents/PROD/homework-question-parsing/marker/20260402T094256Z/0b54f7904b2e4c55ad27a7cf1fe1d7f2/7ee2d12e8cbaacaf65b0c332d1c76daf_img.jpg)

Browse the problem library