Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 859
... Examples and definitions , 866. Musical sound , 867. Vehicle of sound , 868. Mode of propagation . Relation between period , wave- length , and velocity of propagation , 869. Undulation considered geometrically ; For- ward velocity of ...
... Examples and definitions , 866. Musical sound , 867. Vehicle of sound , 868. Mode of propagation . Relation between period , wave- length , and velocity of propagation , 869. Undulation considered geometrically ; For- ward velocity of ...
Página 861
... Example , 1009. Image on cross - wires , 1010. Aberra- tion of lenses , 1011. Virtual images , 1012. Concave lens , 1013. Focometer , 1014 . Refraction at a single spherical surface , 1015. Refraction through a sphere , 1016 . Camera ...
... Example , 1009. Image on cross - wires , 1010. Aberra- tion of lenses , 1011. Virtual images , 1012. Concave lens , 1013. Focometer , 1014 . Refraction at a single spherical surface , 1015. Refraction through a sphere , 1016 . Camera ...
Página 862
... EXAMPLES IN ACOUSTICS , EXAMPLES IN OPTICS , ANSWERS TO EXAMPLES , . • pp . 1119-1137 . pp . 1138-1140 . • pp 1140-1144 . Pp . 1144-1145 . FRENCH AND ENGLISH MEASURES . A DECIMETRE DIVIDED INTO CENTIMETRES viii TABLE OF CONTENTS .
... EXAMPLES IN ACOUSTICS , EXAMPLES IN OPTICS , ANSWERS TO EXAMPLES , . • pp . 1119-1137 . pp . 1138-1140 . • pp 1140-1144 . Pp . 1144-1145 . FRENCH AND ENGLISH MEASURES . A DECIMETRE DIVIDED INTO CENTIMETRES viii TABLE OF CONTENTS .
Página 872
... example , light taps with the head of a pin on one end of a wooden beam , are distinctly heard by a person with his ear applied to the other end , though they cannot be heard at the same distance through the air . This property is ...
... example , light taps with the head of a pin on one end of a wooden beam , are distinctly heard by a person with his ear applied to the other end , though they cannot be heard at the same distance through the air . This property is ...
Página 876
... example , when A is moving forwards with the maximum velocity , D is moving backwards with the same velocity . The vibrations of the particles , in an undulation of this kind , are called longitudinal ; and it is by such vibrations that ...
... example , when A is moving forwards with the maximum velocity , D is moving backwards with the same velocity . The vibrations of the particles , in an undulation of this kind , are called longitudinal ; and it is by such vibrations that ...
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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