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Q136. To hear a distinct echo, what is the minimum distance required between a sound source and a reflecting surface?

Physics — NUST Mock By IBAGRADS 4 — Question 136 of 200

A. 10 m
B. 16.5 m
C. 33 m
D. 66 m

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To hear a distinct echo, what is the minimum distance r... | Physics MCQ #136 | Examora | Examora