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Posted by on Sunday, January 16, 2011 at 4:37pm.

A laser emitting at 632.8nm illuminates a double slit. A screen is positioned 2.00 m from the slits. Interference fringes are observed with a separation of 1.0 cm.

(a) Determine the separation of the slits.
(b) Determine the angle of the first-order dark fringes.

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