Verwandte Artikel zu Physical review Volume 23
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Inhaltsangabe
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...encased in another framework arranged to move in the direction of the wave along a set of ways. The 1 For the advantage of this method see G. F. Hull, Phys. Rev., Vol. 5, 1897, and Willard and Woodman, 1. c. sliding device, by allowing the removal of the silver mirror from the path of the wave, afforded alternate readings of the effect of reflection from a third metal mirror fixed in position back of the movable one. Thus the ratio M'jC was obtained. The interference curve is shown MIC in Fig. 3, the ordinates being the ratio '. The complex character of the radiation is shown by the unequal spacing of successive maxima and minima. For estimating the wave-length from this curve only the principal maximum and its two adjacent minima were considered, for it is in the immediate neighborhood of this maximum, where the two plane mirrors are equally distant from the separating surface, that the heads of the two wave-trains combine most strongly. In this way the wave-length came out 9.9 cm. An almost identical curve was obtained by using a separating surface with the wires 1.5 cm. apart. Had the spacing been 2.2 cm. the sharpest maxima and minima possible would have been obtained. 3. Resonators In Air. The energy transmitted and reflected by various systems of resonators in a plane both in air and on glass was measured as their lengths were shortened and the results are plotted as curves in Figs. 6, 8, 9 and I0. All of the useful details as to the distribution of the resonators for the curves shown are collected into Table I. Tin foil strips 2 mm. wide were employed throughout the work, their length being always parallel to the electric force of the wave, and in its plane for the transmission measurements. The arrangement of apparatus for...
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Reseña del editor
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1906 edition. Excerpt: ...encased in another framework arranged to move in the direction of the wave along a set of ways. The 1 For the advantage of this method see G. F. Hull, Phys. Rev., Vol. 5, 1897, and Willard and Woodman, 1. c. sliding device, by allowing the removal of the silver mirror from the path of the wave, afforded alternate readings of the effect of reflection from a third metal mirror fixed in position back of the movable one. Thus the ratio M'jC was obtained. The interference curve is shown MIC in Fig. 3, the ordinates being the ratio '. The complex character of the radiation is shown by the unequal spacing of successive maxima and minima. For estimating the wave-length from this curve only the principal maximum and its two adjacent minima were considered, for it is in the immediate neighborhood of this maximum, where the two plane mirrors are equally distant from the separating surface, that the heads of the two wave-trains combine most strongly. In this way the wave-length came out 9.9 cm. An almost identical curve was obtained by using a separating surface with the wires 1.5 cm. apart. Had the spacing been 2.2 cm. the sharpest maxima and minima possible would have been obtained. 3. Resonators In Air. The energy transmitted and reflected by various systems of resonators in a plane both in air and on glass was measured as their lengths were shortened and the results are plotted as curves in Figs. 6, 8, 9 and I0. All of the useful details as to the distribution of the resonators for the curves shown are collected into Table I. Tin foil strips 2 mm. wide were employed throughout the work, their length being always parallel to the electric force of the wave, and in its plane for the transmission measurements. The arrangement of apparatus for...
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