PDF chapter test TRY NOW

1. An echo returned in 16 \(s\) from a reflecting surface. What is the distance of the reflecting surface from the source? (speed of the sound is 342 \(m/s\))
 
1200px-CPT-sound-physical-manifestation.svg (1).png
 
Answer:
 
Thus, the distance between the source and reflecting surface is  \(m\).
Reference:
https://www.shutterstock.com/image-vector/reflection-sound-1278763735