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lcd123
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Homework Statement
With regard to Young’s Experiment, derive a general expression for the shift in the vertical position of the mth maximum as a result of placing a thin parallel sheet of glass of index n and thickness d directly over one of the slits. Identify your assumptions.
Homework Equations
The Attempt at a Solution
Sorry if this is very simple, I am having a brain fart or sorts.
I've found the number of wavelengths that will travel though a plane of thickness d:
N = dn/lamda_0
and with that tried to form a triangle to find the difference, delta y, however the answer's units don't make sense.
I know this should be of a similar form to
delta y = a/s * lambda
Thanks for the help.