Diffraction of Sound Waves Is More Readily Observable Than That

Multiple Choice

Diffraction of sound waves is more readily observable than that of light waves because

A) sound waves are longitudinal and not transverse.
B) sound waves have a higher frequency than light waves.
C) sound waves have a lower velocity than light waves.
D) sound waves have longer wavelengths than do light waves.
E) interference occurs more readily for longitudinal waves.