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Introduction: Double slit/single slit diffraction

More Details: Suppose we shine laser light through a double slit, for which the slit separation d = 100 micrometers. Suppose that the fourth bright fringe from the center (that is,

for m = 4) is not there. It is suppressed because the first single-slit diffraction minimum is at that angle.

(A) How wide are the slits?

(B) Further from the center, another double-slit maximum will be suppressed due to a single-slit minimum. What is the order (that is, value of m) for the next missing

double-slit peak?

More Details: Suppose we shine laser light through a double slit, for which the slit separation d = 100 micrometers. Suppose that the fourth bright fringe from the center (that is,

for m = 4) is not there. It is suppressed because the first single-slit diffraction minimum is at that angle.

(A) How wide are the slits?

(B) Further from the center, another double-slit maximum will be suppressed due to a single-slit minimum. What is the order (that is, value of m) for the next missing

double-slit peak?

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