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 one among the following components is used as an amplifying device?
- What is required for the generation of a sound wave?
How long will a sound wave take to travel 1.5km, which has a frequency of 5 kHz and wavelength of 6 cm?
Which phenomenon is responsible for the echo of sound wave?
Quality of a musical note depends on
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