Two wavelengths λ1 and λ2 are used in Young’s double slit experiment λ1 = 450 nm and λ2 = 650 nm. The minimum order of fringe

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📘Question

Two wavelengths λ1 and λ2 are used in Young’s double slit experiment λ1 = 450 nm and λ2 = 650 nm. The minimum order of fringe produced by λ2 which overlaps with the fringe produced by λ1 is n. The value of n is ____.          (JEE-2024)  

✅ Answer

Two wavelengths λ1 and λ2 are used in Young's double slit experiment λ1 = 450 nm and λ2 = 650 nm. The minimum order of fringe produced by λ2 which overlaps with the fringe produced by λ1 is n. The value of n is ____.     

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