Physical Review Volume 5

Physical Review Volume 5

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1897 edition. Excerpt: ... resonators, and second, with the electrical component and long way of the resonators at right angles. 1 The index of refraction n of the glass plate d was computed from its reflection percentage p by means of the Fresnel formula. In this case p=20.2 per cent, and -=2.62. The transmission of very thin plates of glass for these rays was sufficient to warrant neglecting the absorption in the computation of -. Table XIV gives the results obtained and also the dimensions and characteristics of the resonators of the different groups. The values obtained for the reflection of the different plates may be regarded as consisting of two parts, the one due to the reflection of the resonators themselves and the other due to the reflection of the glass plate. The latter component is by no means negligible, for in the present case it may reach 24.7 per cent., which was shown by repeated measurements to be the reflection of the glass plates before silvering. To get at the approximate reflection of the resonators independent of this background we may proceed as follows: Let a be the observed reflection percentage of resonators and glass combined. Let ft be the part of this due to the resonators alone and y the part reflected by the glass, then The part not reflected by the resonators 100--$ will be the intensity of the rays incident on the glass, and of this amount 24.7 per cent, will be reflected; hence 1 The index of refraction - of the glass plate was computed from its reflection percentage p by means of the Fresnel formula. In this Case p = 20.2 per cent, and - = 2.62. The transmission of very thin plates of glass for these rays was sufficient to warrant neglecting the absorption in the computation of -. The formula rests upon two...show more

Product details

  • Paperback | 104 pages
  • 189 x 246 x 6mm | 200g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236537904
  • 9781236537904