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distance from the slits to a screen

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Light of wavelength 468 nm falls on two slits spaced 0.287 mm apart. What is the required distance from the slits to a screen if the spacing between the first and second dark fringes is to be 4.34 mm?

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The solution calculates the distance from the slits to a screen in a double-slit interference setup.

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Double slits interference problem

Light of wavelength 468 nm falls on two slits spaced 0.287 mm apart. What is the required distance from the slits to a screen if the spacing ...

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