Q. Echoes may be heard more than once due to successive or multiple
A) Reflections
B) Rarefactions
C) Refractions
D) Diffractions
✔ Correct Answer: Reflections
Exam Insight
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A) Reflections
B) Rarefactions
C) Refractions
D) Diffractions
✔ Correct Answer: Reflections
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