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In a Young’s double slit experiment, two narrow vertical slits placed 0.800 mm apart are illuminated by the same source of yellow light of wavelength 589 nm. How far are the adjacent bright bands in the interference pattern observed on a screen 2.00 m away?

Shane Macguire , 10 Years ago
Grade upto college level
anser 1 Answers
Deepak Patra

Last Activity: 10 Years ago

Sol. Given that, d = 0.8 mm = 0.8 * 10^–3 m, λ = 589 nm = 589 * 10^–9 m and D = 2 m. So, β = Dλ/d = 589 * 10^-9/0.8 * 10^-3 = 1.47 * 10^-3 m = 147 mm.

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