Multiple choice

Which of the following do(es) not employ the phenomenon of reflection of sound?

  1. Megaphone

  2. Stethoscope

  3. Two persons talking in a small room

  4. A theatre with curved ceiling

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The phenomenon of reflection of sound is involved in the use of megaphone, stethoscope used by doctors and in a theatre with curved ceiling. Two persons talking to each other in a small room do not employ reflection of sound.