Diffraction Plays an Important Role in Which of the Following

Multiple Choice

Diffraction plays an important role in which of the following phenomena?

A) The sun appears as a disk rather than a point to the naked eye
B) Light is bent as it passes through a glass prism
C) A cheerleader yells through a megaphone
D) A farsighted person uses eyeglasses of positive focal length
E) A thin soap film exhibits colors when illuminated with white light