Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
Dentro del libro
Resultados 1-5 de 74
Página 866
... employed ( § 107 ) in connection with the movements of pendulums to which indeed the movements of vibrating springs bear an extremely close resemblance . The property of isochronism , which approximately characterizes the vibrations of ...
... employed ( § 107 ) in connection with the movements of pendulums to which indeed the movements of vibrating springs bear an extremely close resemblance . The property of isochronism , which approximately characterizes the vibrations of ...
Página 872
... employed as a test of the soundness of a beam , for the experiment will not succeed if the intervening wood is rotten , rotten wood being very inelastic . The stethoscope is an example of the transmission of sound through solids . It is ...
... employed as a test of the soundness of a beam , for the experiment will not succeed if the intervening wood is rotten , rotten wood being very inelastic . The stethoscope is an example of the transmission of sound through solids . It is ...
Página 879
... employed in the case of radiant heat ( § 465 ) , it follows that the intensity of sonorous energy diminishes according to the law of inverse squares . The energy of a particle executing simple vibrations in obedience to forces of ...
... employed in the case of radiant heat ( § 465 ) , it follows that the intensity of sonorous energy diminishes according to the law of inverse squares . The energy of a particle executing simple vibrations in obedience to forces of ...
Página 887
... employ an ear - trumpet , holding its further end at the focus . He will distinctly hear the ticking , even when the mirrors are many yards apart.1 884. Echo . - Echo is the most familiar instance of the reflection of sound . In order ...
... employ an ear - trumpet , holding its further end at the focus . He will distinctly hear the ticking , even when the mirrors are many yards apart.1 884. Echo . - Echo is the most familiar instance of the reflection of sound . In order ...
Página 892
... employed a testing apparatus called the acoustic pendulum . It consists essentially of a small membrane stretched in a frame , from the top of which hangs a very light pendulum , with its bob resting against the centre of the membrane ...
... employed a testing apparatus called the acoustic pendulum . It consists essentially of a small membrane stretched in a frame , from the top of which hangs a very light pendulum , with its bob resting against the centre of the membrane ...
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