In a two beam interferometer the orange mercury line composed of two wavelengths 1 576 97nm and 2 579 03 nm is employed What is the least order of interference at which the sharpness of the fringe pattern is the worst

Question: In a two-beam interferometer the orange mercury line composed of two wavelengths 1 = 576.97nm and 2 = 579.03 nm is employed. What is the

In a two-beam interferometer the orange mercury line composed of two wavelengths λ1 = 576.97nm and λ2 = 579.03 nm is employed. What is the least order of interference at which the sharpness of the fringe pattern is the worst?

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