If in a single slit diffraction experiment the wavelength is increased, which of the following happens to the diffraction pattern?
A)The central maximum broadens.
B)The minima remain the same.
C)Eventually you get double slit interference.
D)The central maximum narrows.
E)The minima get closer together.

Question

Quizplus · Accepted Answer

Increasing the wavelength in a single slit diffraction experiment causes the central maximum to broaden because the angle at which the first minimum occurs is directly proportional to the wavelength.

If in a Single Slit Diffraction Experiment the Wavelength Is