Suppose that the two waves in the figure have wavelength 451 nm in air. What multiple of A gives their phase difference when they emerge if (a) n₁1.68 and n₂-1.78, and L-7.67 um: (b) n₁-180 and n₂-1.90, and L-7.67 μm; and (c) ny-1.77 and n-1.97, and L- 3.39 pm My My (a) Number (b) Number (c) Number Units Units Units
Suppose that the two waves in the figure have wavelength 451 nm in air. What multiple of A gives their phase difference when they emerge if (a) n₁1.68 and n₂-1.78, and L-7.67 um: (b) n₁-180 and n₂-1.90, and L-7.67 μm; and (c) ny-1.77 and n-1.97, and L- 3.39 pm My My (a) Number (b) Number (c) Number Units Units Units
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Transcribed Image Text:Suppose that the two waves in the figure have wavelength 451 nm in air. What multiple of A gives their phase difference when they
emerge if (a) n₁1.68 and n₂-1.78, and L-7.67 um: (b) n₁-180 and n₂-1.90, and L-7.67 μm; and (c) ny-1.77 and n-1.97, and L-
3.39 pm
My
My
(a) Number
(b) Number
(c) Number
Units
Units
Units
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