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34.) 5. We perform a multi-slit experiment, using N = 6 slits. The wavelength of the...

34.) 5. We perform a multi-slit experiment, using N = 6 slits. The wavelength of the light is lambda = 500nm and the distance of the screen from the slits is D = 15m.

a. Determine the distance of the slits, if the 3rd and 4th order diffraction fringes are 15mm away from each other.

b. How many major fringes are visible on the diffraction pattern if the coherence length of the light is δ= 2 micrometers?

c. How many minor fringes are between between each pair of major ones?

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