Physicseasy · Past Paper
Echoes are produced due to the ________ of sound waves.
ARefraction
BAbsorption
CReflection
DDiffraction
✓ Correct Answer: C — Reflection
Echo is a repetition of sound caused by the reflection of sound waves from a hard surface.
Share this question
More from Physics
- The weight of an object on the surface of Earth is 98 N. What is its mass? (g = 9.8 m/s^2)
- When a body is thrown vertically upwards, what is its velocity at the highest point?
- A body starts from rest and moves with constant acceleration. The ratio of distance covered in the first second to the second second is:
- If the escape velocity on Earth is 11.2 km/s, what would it be on a planet with double the mass and double the radius of Earth?
- Upthrust is exerted by: