what is the first law of reflection of sound
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First Law of Reflection: The incident wave, the reflected wave, and the normal at the point of incidence lie on the same plane. Law of Reflection: The angle of incidence is equal to the angle of reflection.
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The first law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror, all lie in the same plane. ... Both angles are measured with respect to the normal to the mirror.
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