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Which of the following best explains why an echo is heard when a sound is produced near a large, flat wall?
Sound waves pass directly through the wall and reappear on the other side.
The wall vibrates and produces a new sound identical to the original.
Sound is absorbed by the wall and then emitted slowly.
Sound waves reflect off the wall and return to the listener after a short delay.
Sound waves reflect off the wall and return to the listener after a short delay.
Practice and solve "Which of the following best explains why an echo is heard when a sound is produced near a large, fla..." for General Science - Previous Year Paper 2026. The correct answer is Option D: Sound waves reflect off the wall and return to the listener after a short delay.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Which of the following best explains why an echo is heard when a sound is produced near a large, fla..." for General Science - Previous Year Paper 2026. The correct answer is Option D: Sound waves reflect off the wall and return to the listener after a short delay.. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.