Physics · Acoustics
To hear a distinct echo at normal room temperature, what is the approximate minimum distance required between the source of sound and the reflecting surface?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15.5 meters
- 211.2 meters
- 317.2 meters✓
- 434.4 meters
Correct answer
17.2 meters
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