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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Sodium light has two wavelengths, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases, when is the visibility of the fringes a minimum?

Sodium light has two wavelengths, lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases, when is the visibility of the fringes a minimum?

lemda 1 = 589 nm and lemda 2 = 589.6 nm. As the path difference increases Sodium light has two wavelengths when is the visibility of the fringes a minimum?