when a sound wave strikes a smooth,hard surface it is reflected back to the listener,this phenomena is known as
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ike light, sound gets reflected at the surface of a solid or liquid and follows the same ... the sound must go to the obstacle and reach back the ear of the listener on reflection after 0.1s.
Missing: smooth, | Must include: smooth,
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Reflection of sound waves off of surfaces can lead to one of two phenomena - an echo or a reverberation. A reverberation often occurs in a small room with height, width, and length dimensions of approximately 17 meters or less
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