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Question about Geometric and Physical Optics: Interference and Diffraction

Physics

Originais Teachy

Geometric and Physical Optics: Interference and Diffraction

Easy

(Originais Teachy 2023) - Question Easy of Physics

Physics also studies the reflection of sounds, which occurs when sound waves encounter a rigid and solid surface. In this case, the sound energy is reflected backwards, as if the surface were a mirror. Where is it possible to observe this phenomenon?
a.
In party halls with smooth walls.
b.
In small rooms with rough walls.
c.
In small rooms with smooth walls.
d.
In large rooms with rough walls.
e.
In large rooms with smooth walls.

Answer:

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