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in youngs double slit experiment angular width of fringes is 0.20° for sodium light in wavelength 5890A° If complete system is dipped in water , then angular width of fringes becomes
Asked by vinuthaks966 | 27 Sep, 2023, 06:07: AM
Expert Answer
Given that,
Angular width of fringes in air, θair = 0.20°
Wavelength in air, λair = 5890 Å
Refractive index of water = 4/3
Now,
Angular width of fringes, θ = λ/d
Here, d is distance between the slits.
i.e., θ ∝ λ
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