The reason there are two slits, rather than one, in a Young's experiment is:
A)to increase the intensity
B)one slit is for frequency, the other for wavelength
C)to create a path length difference
D)one slit is for fields, the other is for fields
E)two slits in parallel offer less resistance

Question

Quizplus · Accepted Answer

The two slits in Young's experiment create a path length difference for the light waves, which leads to interference patterns due to constructive and destructive interference.

The Reason There Are Two Slits, Rather Than One, in a Young's