In Order to Obtain a Single-Slit Diffraction Pattern with a Central

Multiple Choice

In order to obtain a single-slit diffraction pattern with a central maximum and several secondary maxima, the slit width could be:

A) " $\lambda$ "
B) " $\lambda$ /10"
C) "10 $\lambda$ "
D) "10⁴ $\lambda$ "
E) " $\lambda$ /10⁴"