When a parallel beam of light is diffracted at a single slit,
A) the shadow is always sharp.
B) the narrower the slit, the narrower the central diffraction maximum.
C) the narrower the slit, the wider the central diffraction maximum.
D) the width of the central diffraction maximum is independent of the width of the slit.
E) none of these is correct.

Question

Quizplus · Accepted Answer

The central diffraction maximum becomes wider as the slit becomes narrower due to the wave nature of light and the diffraction pattern it creates.

When a Parallel Beam of Light Is Diffracted at a Single