Question

make the experiment for verifying the law of reflection of sound successfully ....... sho be used as an reflector​

Answer 1

here is your answer ☺☺☺☺

For this excrement you have to in large hall type room the window and the doors are made up of glass and close . Know if you will speak something the same repeated voice will be heard by you.

This same will happen in the conditions of mountain
SONAR
Ultrasound