What is the corresponding order of the 400 nm dark fringe

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Reference no: EM13664498

A tube of glowing gas emits light at 500 nm and 400 nm. In a double-slit apparatus, what is the lowest order 500 nm bright fringes that will fall on a 400 nm dark fringe?

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What is the corresponding order of the 400 nm dark fringe?

Reference no: EM13664498

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