alleryIf the reflecting surface is farther away, what happens to echo delay?
AIt becomes longer
BIt becomes shorter
CIt stays unchanged
DIt becomes zero
Answer & Solution
Correct answer: A. It becomes longer
A farther reflecting surface creates a longer delay before the reflected sound returns.
Keep practising Sound: echoes, natural vibrations, loudness pitch and quality
Browse all Sound: echoes, natural vibrations, loudness pitch and quality questions for ICSE Class 10, or explore more Physics topics.
Related questions
Match each resonance hazard or application with its scenario:Match each sound perception characteristic with its physical wave parameter:Match each acoustic phenomenon with its operational requirement:Match each vibration mode with its acoustic definition:Why do repeated pushes at a swing’s natural interval add energy efficiently?What perceptual quality lets a listener recognize an oboe-like tone?A tone is described as “soft.” Which property is being described?A ship sends an ultrasonic pulse and receives its echo 4 s later. At 341 m/s, what is the