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Athin slit illuminated by light of frequency f produces its first dark band at ± 38.2 ∘ in air. when the entire apparatus (slit, screen and space in between) is immersed in an unknown transparent liquid, the slit's first dark bands occur instead at ± 17.3 ∘.
find the refractive index of the liquid.
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Athin slit illuminated by light of frequency f produces its first dark band at ± 38.2 ∘ in air. when...
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