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Q.

Is it true that with a soundboard installed in an auditorium, a person sitting at a distance from the speaker is able to hear as well as a person sitting up front?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is true.
The soundboard installed in an auditorium is a concave-shaped wooden board. The speaker is made to stand in the focus of this concave shape soundboard so that the sound is reflected from it. Even the person sitting at a distance from the speaker can hear as well as a person sitting up front. Hence, the statement is true.
 
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