Radio Waves Are Readily Diffracted Around Buildings Whereas Light Waves

Multiple Choice

Radio waves are readily diffracted around buildings whereas light waves are negligibly diffracted around buildings.This is because radio waves:

A) are plane polarized
B) have much longer wavelengths than light waves
C) have much shorter wavelengths than light waves
D) are nearly monochromatic (single frequency)
E) are amplitude modulated (AM)