In Young's Experiment

Multiple Choice

In Young's experiment,

A) each slit acts as a line source.
B) an interference pattern is observed on a screen placed behind the slits.
C) interference maxima occur at angles such that the path difference is an integral number of wavelengths.
D) interference minima occur when the path difference is one half wavelength or any odd number of half wavelengths.
E) all of the above are correct.