Two men, P and Q, are standing near a gap in a wall, as illustrated. Man P is unable to see man Q, but man P can hear man Q talking. Which statement explains this?
- ALight waves do not diffract at all because they are electromagnetic waves.
- BLight waves have a range of frequencies but sound has just one frequency.
- CSound waves are of a higher frequency than light waves.
- DSound waves diffract a lot because their wavelength is a similar size to the width of the gap.