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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Two separated sources emit sinusoidal travelling waves but have the same wavelength λ and are in phase at their respective sources . One travels a distance l1 to get to the observation point while the other travels a distance l2 . The amplitude is minimum at the observation point , l1−l2 is an

Two separated sources emit sinusoidal travelling waves but have the same wavelength λ and are in phase at their respective sources . One travels a distance l1 to get to the observation point while the other travels a distance l2 . The amplitude is minimum at the observation point , l1−l2 is an

because Many elements have non-integral atomic masses