![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/public/images/logos/logo-white.png)
McqMate
Q. |
Which phenomenon is responsible for the echo of sound wave? |
A. | Reflection |
B. | Refraction |
C. | Interference |
D. | Polarization |
Answer» A. Reflection | |
Explanation: Reflection of sound waves off of surfaces lead to one of two phenomena - an echo or a reverberation. The echo is produced due to hitting of the sound waves with the obstacles which makes the Sound to reflect back. Echoes occur when a reflected sound wave reaches the ear more than 0.1 seconds after the original sound wave was heard. |
View all MCQs in
PhysicsNo comments yet