If you face a cliff and give a shout, you will hear an echo. Are the sound waves of the echo inverted (A) or upright (B) compared to the waves of your original shout?
A) Inverted
B) Upright

Question

Quizplus · Accepted Answer

The sound waves of the echo are upright compared to the waves of your original shout. When sound waves bounce off a surface like a cliff and return as an echo, they maintain the same wave orientation as the original sound.

If You Face a Cliff and Give a Shout, You