Two slit teachers notes

IB Physics: Two slit teachers notes

PASCO make a set of slits with different width and spacing.On this disk are two inclined slits (variable double slit).Measuring the fringes is difficult as they are quite close together. Using a much longer distance than the optical bench helps but the pattern gets a bit fuzzy, how about taking a photo? The angle isn"t easy either.The line won"t go through the origin because you won"t be starting at the end of the triangle.

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