Waves may be observed to reflect, refract, diffract, and interfere. Two of these behaviors are unique to waves only and two of them may also be observed for particles (or convincingly counterfeited by particles). Which two are wave behavior only?

Select one:
A. reflection and refraction
B. diffraction and reflection
C. reflection and interference
D. refraction and diffraction
E. interference and refraction
F. diffraction and interference

F. Diffraction and interference

Explanation:

Diffraction and interference are responsible for how waves reflect, refract, diffract, and interfere.

Diffraction happens when a wave encounters an obstacle.

Interference is the formation of two or more electromagnetic waveforms.

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