Six Lectures on Light: Delivered in the United States in 1872-1873Longmans, Green, 1895 - 244 páginas |
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Página xv
... Emission Theory - Verification of Physical Theories- The Luminiferous Ether - Wave - theory of Light - Thomas Young - Fresnel and Arago - Conception of Wave - motion- Interference of Waves - Constitution of Sound - waves - Analogies of ...
... Emission Theory - Verification of Physical Theories- The Luminiferous Ether - Wave - theory of Light - Thomas Young - Fresnel and Arago - Conception of Wave - motion- Interference of Waves - Constitution of Sound - waves - Analogies of ...
Página 42
... EMISSION THEORY - VERIFICATION OF PHYSICAL THEORIES- THE LUMINIFEROUS ETHER - WAVE - THEORY OF LIGHT - THOMAS YOUNG -FRESNEL AND ARAGO - CONCEPTION OF WAVE - MOTION - INTERFERENCE OF WAVES - CONSTITUTION OF SOUND - WAVES - ANALOGIES OF ...
... EMISSION THEORY - VERIFICATION OF PHYSICAL THEORIES- THE LUMINIFEROUS ETHER - WAVE - THEORY OF LIGHT - THOMAS YOUNG -FRESNEL AND ARAGO - CONCEPTION OF WAVE - MOTION - INTERFERENCE OF WAVES - CONSTITUTION OF SOUND - WAVES - ANALOGIES OF ...
Página 44
... in the labyrinths of Nature .'— ( Maclaurin : An Account of Sir I. New- ton's Philosophical Discoveries . Written 1728 ; second edition , 1750 ; pp . 18 , 19. ) ཋ II . BASIS OF THE EMISSION THEORY . 6 44 LECT . ON LIGHT .
... in the labyrinths of Nature .'— ( Maclaurin : An Account of Sir I. New- ton's Philosophical Discoveries . Written 1728 ; second edition , 1750 ; pp . 18 , 19. ) ཋ II . BASIS OF THE EMISSION THEORY . 6 44 LECT . ON LIGHT .
Página 45
... Emission Theory of Light . The case of Newton still more forcibly illustrates the position , that in forming physical theories we draw for our materials upon the world of fact . Before he began to deal with light , he was intimately ...
... Emission Theory of Light . The case of Newton still more forcibly illustrates the position , that in forming physical theories we draw for our materials upon the world of fact . Before he began to deal with light , he was intimately ...
Página 46
... Emission Theory of Light . He supposed light to consist of elastic particles of in- conceivable minuteness shot out with inconceivable rapidity by luminous bodies , and that such particles impinging upon smooth surfaces were reflected ...
... Emission Theory of Light . He supposed light to consist of elastic particles of in- conceivable minuteness shot out with inconceivable rapidity by luminous bodies , and that such particles impinging upon smooth surfaces were reflected ...
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Palavras e frases frequentes
action analyzer aperture appear augmented axis beam beautiful blue bodies bright bright bands cause centre CIRCULAR POLARIZATION Cloth cloud colours cross crystal dark band Descartes directions of vibration discovery distance double refraction effect electric emission Emission Theory employed ether experiment fact film flame glass green gypsum Iceland spar illustrate incident intellect intense interference invisible invisible rays Kirchhoff lamp lectures lens liquid luminiferous ether luminous magnet metal mind molecules motion Nature needle Newton Newton's rings Nicol Nicol prism obliquity observed obtained optical ordinary particles pass perpendicular phenomena planes of vibration polarized light portion prism produced proved quenched radiant heat rays refrangible regards rendered retina rings rotation round scientific screen seen selenite slit solar sound space spectra spectrum substances surface thallium thickness thin Thomas Young tion tourmaline transmitted transparent Tyndall ultra-red undulatory theory vapour velocity violet white light yellow
Passagens conhecidas
Página 228 - You may erect laboratories and endow them ; you may furnish them with all the appliances needed for enquiry ; in so doing you are but creating opportunity for the exercise of powers which come from sources entirely beyond your reach. You cannot create genius by bidding for it. In biblical language, it is the gift of God ; and the most you could do, were your wealth, and your willingness to apply it, a million-fold what they are, would be to make sure that this glorious plant shall have the freedom,...
Página 56 - For Nature beats in perfect tune, And rounds with rhyme her every rune, Whether she work in land or sea, Or hide underground her alchemy. Thou canst not wave thy staff in air, Or dip thy paddle in the lake, But it carves the bow of beauty there, And the ripples in rhymes the oar forsake.