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March 26, 2017

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If the distance between two slits is .05mm and the distance to the screen is 2.5m find the spacing between the first and second order bright fringees for yellow light of wavelenght 600nm.

d=5x10^-5m
L=2.5m
wavelength= 6x10^-7m
x=?

x=wavelength*L/d
=(6x10^-7)(2.5)/5x10^-5m
=.03m

I am not sure if this is correct. Is .03m too big?

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