The diameters of fine wires can be accurately measured using interference patterns. Two optically flat pieces of
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The diameters of fine wires can be accurately measured using interference patterns. Two optically flat pieces of glass of length L are arranged with the wire between them as shown in Figure. The setup is illuminated by monochromatic light, and the resulting interference fringes are detected. Suppose L = 20 cm and yellow sodium light (λ ≈ 590 nm) is used for illumination. If 19 bright fringes are seen along this 20-cm distance, what are the limits on the diameter of the wire?
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Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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