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A double slit interference experiment is submerged in alcohol (n = 1.3736). On the detecting screen...

A double slit interference experiment is submerged in alcohol (n = 1.3736). On the detecting screen the distance between the zeroth and first order bright fringes is 1.52 cm. The distance to the screen from the slits is 2.7225 meters. The light has a wavelength in air of 615.6 nm. Find the distance between the slits.

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