Among two interfering sources, let `A` be ahead in phase by `54^(@)` relative to `B`. If the observations be taken from point `P`, such that `PB - PA = 1.5 lambda`, deduce the phase difference between the waves from `A` and `B` reaching `P`.

Among two interfering sources, let `A` be ahead in phase by `54^(@)` r

1.	Among two interfering sources, let `A` be ahead in phase by `54^(@)` relative to `B`. If the observations be taken from point `P`, such that `PB - PA = 1.5 lambda`, deduce the phase difference between the waves from `A` and `B` reaching `P`.
Answer» Correct Answer - `3.3 pi`

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Among two interfering sources, let `A` be ahead in phase by `54^(@)` relative to `B`. If the observations be taken from point `P`, such that `PB - PA = 1.5 lambda`, deduce the phase difference between the waves from `A` and `B` reaching `P`.

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