Physics · Sound Echo
What is the minimum distance required between the listener and the reflecting surface to hear an echo (at normal temperatures)?
- 110.0 meters
- 215.0 meters
- 317.2 meters✓
- 425.0 meters
Correct answer
17.2 meters
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Sound Echo?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Sound Echo