No fringes are seen in a single-slit diffraction pattern if:
A)the screen is far away
B)the wavelength is less than the slit width
C)the wavelength is greater than the slit width
D)the wavelength is less than the distance to the screen
E)the distance to the screen is greater than the slit width

Question

Quizplus · Accepted Answer

The correct answer is C because when the wavelength is greater than the slit width, the diffraction pattern will not have any fringes.

No Fringes Are Seen in a Single-Slit Diffraction Pattern If