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4.7 Exercise 34

Avg difficulty 2.5

Suppose that the central peak of a single-slit diffraction pattern is so wide that the first minima can be assumed to occur at angular positions of ±90°\pm 90 °. For this case, what is the ratio of the slit width to the wavelength of the light?

OpenStax University Physics Volume 3, 4.7 Holography, exercise 34

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Adapted from University Physics Volume 3 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 3. Imported at revision db44eb9.