How far apart are the two slits

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Reference no: EM13487679

Coherent light of frequency 6.40×1014Hz passes through two thin slits and falls on a screen 89.0cmaway. You observe that the third bright fringe occurs at ± 3.09cm on either side of the central bright fringe.

How far apart are the two slits? In mm?

At what distance from the central bright fringe will the third dark fringe occur? In cm?

Reference no: EM13487679

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