Question

11.
When a sound is reflected from a distant object, an echo is
produced. Let the distance between the reflecting surface and
the source of sound production remains the same. Do you
hear echo sound on a hotter day?​

Answer 1

Answer:

Let the distance between the reflecting surface and the source of sound production remains the same. Do you hear echo sound on a hotter day? As the temperature increases, the speed of the sound also increases. Hence, the speed of sound on a hotter day is more.