What is the shape of a soundboard kept behind the speaker on the stage of a big hall ?
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Soundboard. Sound board is used to send the sound towards audience in big hall or auditorium. This works on the basis of laws of reflection of sound waves. Sound board is a big concave board and is set in such a fashion behind the stage that speaker is at the focus.
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Answer:Sound board is used to send the sound towards audience in big hall or auditorium. This works on the basis of laws of reflection of sound waves. Sound board is a big concave board and is set in such a fashion behind the stage that speaker is at the focus.
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