- Reflection of a wave from a rigid boundary results in a phase change. - For sound waves, reflection of a compression from a rigid wall results in a reflected compression. - The phase change of π (180°) refers to the displacement wave, not the pressure wave.
When a compression of sound waves is incident on rigid wall, it is reflected as :
Asked in MPSC CS Prelims 2020 · Topic: Sound (Reflection of Sound: Echo, Reverberation, and their Applications)
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