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## Homework Statement

When two parallel slits are illuminated with monochromatic light of wavelength 632.8 nm, the angle between the center of the central maximum and the center of the second side maximum is .45 degrees. What is the distance between the parallel slits.

## Homework Equations

d sin θ = n λ

## The Attempt at a Solution

d=2(632.8 nm)/sin 45 degrees

d = 1487.36 nm

My "d" value seems a bit odd, so I wanted to make sure I did this correctly. Note that I assigned "2" as the value of n because the problem said "second side maximum". Thank you.