A riverside warehouse has two open doors, as inFigure P24.11. Its interior is lined with a sound-absorbingmaterial. A boat on the river sounds its horn. To person A,the sound is loud and clear. To person B, the sound is barelyaudible. The principal wavelength of the sound waves is 3.00 m.Assuming person B is at the position of the first minimum,determine the distance between the doors, center to center.Open door20.0 mOpen door150 mFigure P24.11

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Asked Dec 18, 2019
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A riverside warehouse has two open doors, as in
Figure P24.11. Its interior is lined with a sound-absorbing
material. A boat on the river sounds its horn. To person A,
the sound is loud and clear. To person B, the sound is barely
audible. The principal wavelength of the sound waves is 3.00 m.
Assuming person B is at the position of the first minimum,
determine the distance between the doors, center to center.
Open door
20.0 m
Open door
150 m
Figure P24.11
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A riverside warehouse has two open doors, as in Figure P24.11. Its interior is lined with a sound-absorbing material. A boat on the river sounds its horn. To person A, the sound is loud and clear. To person B, the sound is barely audible. The principal wavelength of the sound waves is 3.00 m. Assuming person B is at the position of the first minimum, determine the distance between the doors, center to center. Open door 20.0 m Open door 150 m Figure P24.11

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Expert Answer

Step 1

Write the expression for angle from the original beam

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Б tan e = e = tan D

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Step 2

Write the condition fo...

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dsine =| m+ 12 d sin tan 12 d = sin tan

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Wave Optics