SAT Subject Physics Practice Question 545: Answer and Explanation
1. The processes of constructive interference and destructive interference occur in
A. cosmic rays.
B. light rays.
C. sound waves.
D. water waves.
E. all of these.
Correct Answer: E
The correct answer is (E). All of the choices exhibit a wave nature at some time. All waves can interfere with one another, either constructively or destructively.