Q13: Square opening of loudspeaker changes sound wave
A student is given a loudspeaker with a square opening and asked to make a change in the dimensions of the opening so that the sound wave is more spread out vertically and narrowed horizontally. which of the following is the correct of the principle of diffraction to accomplish the desired result? Large opening less diffraction. So the correct answer should be "Make the opening into a rectangle with a longer horizontal dimension and a shorter vertical dimension."
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