General Science MCQ: A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall , so that the person hears echo?

A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall , so that the person hears echo?

Correct Answer: 17 meters

Make the most of this question

This page focuses on one General Science question from Faculty. After checking the answer, return to the topic list to practice more or run a timed set.

← More General Science MCQs All Faculty topics Mock test hub

WhatsApp+91 99922 70404General Science MCQ: A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall , so that the person hears echo? | Extra Education