In the Equation Sin $\theta$ = $\lambda$ /A for Single-Slit Diffraction $\theta$ Is:
A) the Angle to the First Minimum
B) the Diffraction

Multiple Choice

In the equation sin $\theta$ = $\lambda$ /a for single-slit diffraction, $\theta$ is:

A) the angle to the first minimum
B) the angle to the second maximum
C) the phase angle between the extreme rays
D) N $\pi$ where N is an integer
E) (N + 1/2) $\pi$ where N is an integer