If a metal sheet containing a tiny hole is heated (without damaging it)and therefore expands,what happens to the angular location of the first-order diffraction maximum?
A)It moves toward the centerline.
B)It moves away from the centerline.
C)It doesn't change.

Question

Quizplus · Accepted Answer

As the metal sheet expands, the distance between the slits increases, which causes the diffraction pattern to spread out. This means that the first-order diffraction maximum will move away from the centerline.

If a Metal Sheet Containing a Tiny Hole Is Heated