Physics · Wave and Sound
Taking the speed of sound in air to be approximately 340 m/s, what is the theoretical minimum distance required between the source of sound and the reflecting surface to hear a distinct echo?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 151 meters
- 234 meters
- 317 meters✓
- 47 meters
Correct answer
17 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!
Online Test Series
Preparing for Physics?
Practice full-length Physics mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Wave and Sound MCQs →Want more practice questions on Wave and Sound?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Wave and Sound