Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 страници |
Между кориците на книгата
Резултати 1 - 5 от 34.
Страница 3
... conjointly . Hence if a denote the area of the luminous surface , and i the quan- tity emitted from a single point , which is a measure of the absolute brightness , the intensity of the illumination , at B 2 PROPAGATION OF LIGHT . 3.
... conjointly . Hence if a denote the area of the luminous surface , and i the quan- tity emitted from a single point , which is a measure of the absolute brightness , the intensity of the illumination , at B 2 PROPAGATION OF LIGHT . 3.
Страница 5
... denote the absolute brightnesses of the two lights , a and a ' the areas of the luminous surfaces , and d and d ' their distances from the paper , the intensities of illumination are ai sin d2 and a'ï ' sin 0 d'2 respectively ; and ...
... denote the absolute brightnesses of the two lights , a and a ' the areas of the luminous surfaces , and d and d ' their distances from the paper , the intensities of illumination are ai sin d2 and a'ï ' sin 0 d'2 respectively ; and ...
Страница 7
... denoted by a , the velocity of light will be V = 2a × 2np . If n be the number of revolutions in a second correspond- ing to the mth eclipse , the velocity of light will be given by the formula , V = 2a × 2np 2m - 1 The apparatus ...
... denoted by a , the velocity of light will be V = 2a × 2np . If n be the number of revolutions in a second correspond- ing to the mth eclipse , the velocity of light will be given by the formula , V = 2a × 2np 2m - 1 The apparatus ...
Страница 14
... denote the length of the wave , the time of vibration , and v the velocity of wave - propagation , λ = VT . ( 17 ) We have hitherto considered the propagation of vibratory movement without reference to any diversity in its nature . It ...
... denote the length of the wave , the time of vibration , and v the velocity of wave - propagation , λ = VT . ( 17 ) We have hitherto considered the propagation of vibratory movement without reference to any diversity in its nature . It ...
Страница 19
... denote the angles which the portions of the ray in the rarer and denser medium , respec- tively , make with the perpendicular to the common surface , the second part of the law of refraction is expressed by the equation , sin , sin = μ ...
... denote the angles which the portions of the ray in the rarer and denser medium , respec- tively , make with the perpendicular to the common surface , the second part of the law of refraction is expressed by the equation , sin , sin = μ ...
Други издания - Преглед на всички
Често срещани думи и фрази
angle of incidence aperture axes azimuth bands beam bright bands centre circularly polarized coincides colours common light corresponding Crown 8vo crystal dark denote deviation diameter difference of phase diffraction direction distance diverging double refraction edge effect elasticity elliptically polarized equal ether Fresnel fringes glass Iceland spar inci incident light incident ray inclined intensity interference interval of retardation Jamin length light reflected luminous origin medium metal mirror molecules Newton observed opposite optic axis parallel particles perpendicular plane phenomena plane of incidence plane of polarization plane of reflexion plane-polarized polarized light polarized ray polarizing angle portions position Post 8vo principal section prism produced propagated ratio reflected light reflected pencil refracted rays refractive index refrangibility result rhombohedron right angles rings Second Edition shadow spectrum square substance thickness tion transmitted traversed undulation vary velocity velocity of propagation vibrations vols wave-theory Woodcuts
Популярни откъси
Страница 201 - A General Dictionary of Geography, Descriptive, Physical, Statistical, and Historical , forming a complete Gazetteer of the World. By A. KEITH JOHNSTON, FRSE New Edition. 8ro. price 31s. 6d. M'Culloch's Dictionary, Geographical, Statistical, and Historical, of the various Countries, Places, and principal Natural Objects in the World.
Страница 199 - A Greek-English Lexicon. Compiled by HG LIDDELL, DD Dean of Christ Church, and R. SCOTT, D,D. Dean of Rochester. Sixth Edition. Crown 4to. price 36s. A Lexicon, Greek and English, abridged for Schools from LIDDELL and SCOTT's Greek-English Lexicon.
Страница 200 - A Sanskrit-English Dictionary, The Sanskrit words printed both in the original Devanagari and in Roman letters ; with References to the Best Editions of Sanskrit Authors, and with Etymologies and Comparisons of Cognate Words chiefly in Greek, Latin, Gothic, and Anglo-Saxon.
Страница 203 - Chemistry, Medicine, Surgery, and the Allied Sciences. A Dictionary of Chemistry and the Allied Branches of other Sciences.
Страница 196 - The History of Greece. By C. THIKLWALL, DD Lord Bishop of St. David's. 8 vols. fcp. 28s. The Tale of the Great Persian War, from the Histories of Herodotus. By GEORGE W. Cox, MA late Scholar of Trin.
Страница 200 - FGS The Pedigree of the English People: an Argument, Historical and Scientific, on the Formation and Growth of the Nation, tracing Raceadmixture in Britain from the earliest times, with especial reference to the incorporation of the Celtic Aborigines. Fifth Edition. Demy 8vo. Cloth, price i6s.
Страница 199 - Historical and Critical Commentary on the Old Testament; with a New Translation. By MM KALISCH, Ph.D. Vol. I. Genesis, 8vo. 18s. or adapted for the General Reader, 12s. Vol. II. Exodus, 15s. or adapted for the General Reader, 12s. Vol III. Leviticus, Part I.
Страница 208 - Evidence of the Truth of the Christian Religion derived from the Literal Fulfilment of Prophecy, particularly as Illustrated by the History of the Jews, and the Discoveries of Recent Travellers.
Страница 207 - LIBRARY EDITION, with all the Original Illustrations, Maps, Landscapes on Steel, Woodcuts, &c. 2 vols. 4to. 48*.
Страница 202 - Professor Owen's Lectures on the Comparative Anatomy and Physiology of the Invertebrate Animals. Second Edition, with 235 Woodcuts. 8vo. 21s. The Comparative Anatomy and Physiology of the Vertebrate A'nimals. By RICHARD OWEN, FRSDCL With 1,472 Woodcuts.