Question
We hear an echo due to
The correct answer is
Reflection of sound waves
Correct Answer: (b) Reflection of sound waves
Explanation: An echo is caused by the reflection of sound waves from a surface.
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Important Questions from Sound
Which phenomenon is responsible for the echo of sound wave?
We hear an echo due to
- What is required for the generation of a sound wave?
- A sound wave travelling at a speed of 330 m/s produces 20 crests and 20 troughs in 0.1 second. The wavelength of the sound wave is:
- SONAR stands for
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