In Designing a Grating, the Way to Achieve a Smaller

Multiple Choice

In designing a grating, the way to achieve a smaller angular spread from the maxima of each wavelength to the corresponding minima for two approximately equal wavelengths is to

A) make the slits closer together.
B) increase the number of slits.
C) look at larger-order maxima.
D) Hold it! More than one response is valid.