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Architects and sound engineers routinely use sound-absorbing
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12 Dec 2024, 23:58
12 Dec 2024, 23:58
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60% (00:52) correct
40% (00:47) wrong based on 5 sessions
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Architects and sound engineers routinely use sound-absorbing materials on ceilings and walls. In addition, they have sometimes tried to create optimal acoustics by building the ceilings and walls of concert halls with rippled or (i) $\(\qquad\)$ surfaces, so that the sound is reflected and (ii) $\(\qquad\)$ at many angles.
| Blank (i) | Blank (ii) |
|---|---|
| A. invariably rigid | D. distorted |
| B. highly polished | E. diffused |
| C. slightly undulating | F. auditory |
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Re: Architects and sound engineers routinely use sound-absorbing
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13 Dec 2024, 04:12
13 Dec 2024, 04:12
1
The first blank has to be similar to a rippled ~ wavy surface (smth actually like this: ~~~~ 
) so slightly undulating matches the requirement.
The second blank needs a word that can explain the sound quality must remain intact with reflection. As sound waves reflect from the rippled surface, they are dispersed (spread out) at many angles.
) so slightly undulating matches the requirement.The second blank needs a word that can explain the sound quality must remain intact with reflection. As sound waves reflect from the rippled surface, they are dispersed (spread out) at many angles.
gmatclubot
Re: Architects and sound engineers routinely use sound-absorbing [#permalink]
13 Dec 2024, 04:12
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