How would the angular separation of interference fringes in Young’s double slit experiment change
How would the angular separation of interference fringes in Young’s double slit experiment change when the distance between the slits and screen is doubled?
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Angular separation between fringes
βθ = λ/d
where λ = wavelength, d = separation between coherent sources, βθ is independent of distance between the slits and screen; so angular separation (βθ) will remain unchanged.
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