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amplitude analyser angle of incidence aperture axis beam bright centre circle colours components consequently corresponding cos2 crystal curve determined deviation difference of phase diffraction direction displacement distance disturbance diverging double refraction edge effect electric elliptic vibration emerging emission theory energy equal equation ether experiment Fresnel fringes glass grating half-period elements Hence illumination incident light intensity interference lens luminous maximum medium mirror molecules motion Nicol normal observed optic axes ordinary ordinary ray parallel particle passes pencil perpendicular phenomena plane of incidence plane of polarisation plane wave plane-polarised light polarised light position principal plane prism produced propagated quartz radius reflected and refracted reflected light reflected wave refracted rays refractive index retardation right angles rings rotation screen sin2 slit spectrum substance tangent telescope thickness thin plate tion tourmaline transmitted traversed velocity velocity of propagation violet wave front wave length wave surface zero
Page 467 - PRS, &c., Fellow of Pembroke College, and Lucasian Professor of Mathematics in the University of Cambridge. First Course: ON THE NATURE OF LIGHT.— Second Course: ON LIGHT AS A MEANS OF INVESTIGATION.
Page 468 - AN ELEMENTARY TREATISE ON THE LUNAR THEORY, with a Brief Sketch of the Problem up to the time of Newton. Second Edition, revised. Crown 8vo. $s. 6d. HEMMING— AN ELEMENTARY TREATISE ON THE DIFFERENTIAL AND INTEGRAL CALCULUS, for the Use of Colleges and Schools.
Page 18 - Those that are averse from assenting to any new discoveries but such as they can explain by an hypothesis may for the present suppose that, as stones by falling upon water put the water into an undulating motion and all bodies by percussion excite vibrations in the air, so the rays of light...
Page 468 - Roscoe. — Works by Sir HENRY E. ROSCOE, FRS, formerly Professor of Chemistry in the Victoria University the Owens College, Manchester.
Page 18 - Stones by falling upon Water put the Water into an undulating Motion, and all Bodies by percussion excite vibrations in the Air, so the Rays of Light, by impinging on any refracting or reflecting Surface, excite vibrations in the refracting or reflecting Medium or Substance, and by exciting them agitate the solid parts of the refracting or reflecting Body, and by agitating them cause...
Page 468 - Roscoe and Schorlemmer. — INORGANIC AND ORGANIC CHEMISTRY. A Complete Treatise on Inorganic and Organic Chemistry. By Sir Henry E. ROSCOE, FRS, and Professor C. SCHORLEMMER, FRS With numerous Illustrations. Medium 8vo. Vols. I. and II.— INORGANIC CHEMISTRY.
Page 468 - Vol. III.— ORGANIC CHEMISTRY. THE CHEMISTRY OF THE HYDROCARBONS and their Derivatives, or ORGANIC CHEMISTRY.
Page 19 - Is not the heat of the warm room conveyed through the vacuum by the vibrations of a much subtiler medium than air, which, after the air was drawn out remained in the vacuum?
Page 467 - THE MOTION OF VORTEX RINGS, A TREATISE ON. An Essay to which the Adams Prize was adjudged in 1882 in the University of Cambridge. By JJ THOMSON, Fellow of Trinity College, Cambridge, and Professor of Experimental Physics in the University.