Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 857
... greater convenience of treatment . With this exception , the announcements made in the " Translator's Preface , " at the beginning of Part I. , are applicable to the entire work . CONTENTS - PART IV . THE NUMBERS REFER TO THE.
... greater convenience of treatment . With this exception , the announcements made in the " Translator's Preface , " at the beginning of Part I. , are applicable to the entire work . CONTENTS - PART IV . THE NUMBERS REFER TO THE.
Página 881
... greater than 1:41 . Its actual velocity , as determined by observation , is identical , or practically identical , with the latter of these limiting values . Hence we must infer that the compressions and extensions which the particles ...
... greater than 1:41 . Its actual velocity , as determined by observation , is identical , or practically identical , with the latter of these limiting values . Hence we must infer that the compressions and extensions which the particles ...
Página 882
... greater than about 1 part in 440 , which will be between 2 and 3 feet per second . The increase should , in fact , be somewhat VELOCITY IN GASES AND LIQUIDS . 883 less than this 882 PRODUCTION AND PROPAGATION OF SOUND .
... greater than about 1 part in 440 , which will be between 2 and 3 feet per second . The increase should , in fact , be somewhat VELOCITY IN GASES AND LIQUIDS . 883 less than this 882 PRODUCTION AND PROPAGATION OF SOUND .
Página 885
... greater than Young's modulus , and the velocity of sound will be increased accord- ingly . By the table on p . 79 the value of Young's modulus for copper is 120 × 101o , and by the table on p . xii . the density of copper is about Hence ...
... greater than Young's modulus , and the velocity of sound will be increased accord- ingly . By the table on p . 79 the value of Young's modulus for copper is 120 × 101o , and by the table on p . xii . the density of copper is about Hence ...
Página 889
... greater total quan- tity of sonorous energy to be produced from the same expenditure of breath.1 Ear - trumpets have various forms , as represented in Fig . 613 ; having little in common , except that the external opening or bell is ...
... greater total quan- tity of sonorous energy to be produced from the same expenditure of breath.1 Ear - trumpets have various forms , as represented in Fig . 613 ; having little in common , except that the external opening or bell is ...
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Términos y frases comunes
achromatic analyser angle of incidence beam body bright lines called centimetres centre coincidence colours concave mirror conjugate foci convex convex lens crystal curvature denote diameter direction distance employed equal experiment eye-piece flame focal length frequency of vibration fundamental note glass harmonics Hence Iceland-spar incident ray index of refraction interval inverted law of sines lens lenses luminous point magnifying power medium metres minimum deviation nearly node normal number of vibrations object object-glass oblique observer obtained octave optical ordinary parallel particles pencil perpendicular pipe pitch placed plane mirror plate polarization portion position principal axis principal focus prism produced propagation radius rarefaction ratio reflected rays refrangibility represented retina rotation screen seen side slit solar spectra spectrum spherical string subtends surface telescope tion tone traversing tube undulation velocity of sound vertical vibrations vibrations per second violet virtual image visual angle wave-front wave-length waves