Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
Dentro del libro
Resultados 1-5 de 81
Página 860
... Position of image for oblique incidence , 990. Refraction through plate , 991. Multiple images , 992. Superposed plates ; Astronomical refraction , 993. Refraction through prism , 994. Formulæ , 995. Construction for deviation ; Minimum ...
... Position of image for oblique incidence , 990. Refraction through plate , 991. Multiple images , 992. Superposed plates ; Astronomical refraction , 993. Refraction through prism , 994. Formulæ , 995. Construction for deviation ; Minimum ...
Página 865
... position D ' , and let it go . In virtue of its elasticity ( § 126 ) , the spring will re- turn to its original position ; but the kinetic energy which it acquires in re- C turning is sufficient to carry it to a nearly Fig . 592 ...
... position D ' , and let it go . In virtue of its elasticity ( § 126 ) , the spring will re- turn to its original position ; but the kinetic energy which it acquires in re- C turning is sufficient to carry it to a nearly Fig . 592 ...
Página 866
... position from one of its extreme positions . These terms have been already employed ( § 107 ) in connection with the movements of pendulums to which indeed the movements of vibrating springs bear an extremely close resemblance . The ...
... position from one of its extreme positions . These terms have been already employed ( § 107 ) in connection with the movements of pendulums to which indeed the movements of vibrating springs bear an extremely close resemblance . The ...
Página 868
... position changes whenever the plate changes its note . The vibratory condition of the plate is also mani- fested by another phenomenon , opposite - so to speak -to that just described . If very fine powder , such as lycopodium , be ...
... position changes whenever the plate changes its note . The vibratory condition of the plate is also mani- fested by another phenomenon , opposite - so to speak -to that just described . If very fine powder , such as lycopodium , be ...
Página 873
... position a " , to its most advanced position a ' . This movement of the plate may be divided in imagination into a number of successive parts , each of which is communicated to the layer of air close in front of it , which is thus ...
... position a " , to its most advanced position a ' . This movement of the plate may be divided in imagination into a number of successive parts , each of which is communicated to the layer of air close in front of it , which is thus ...
Otras ediciones - Ver todas
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