MHT CET 2023 Physics question
A and B are two interfering sources where A is ahead in phase by relative to B. The observation is taken from point P such that PB-PA = 2.5 . These the phase difference between the waves from A and B reaching point P is (in rad)
Answer: (C)
Solution
Phase difference due to the path difference: . The initial phase difference between the sources is rad, with A ahead of B. The wave from B travels the longer path, so it
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