Page:Light waves and their uses.djvu/184

166

* : action of magnetism on light, 112.
 * : formation of image by, 26.
 * : discovery of Uranus, 24.
 * : attainable accuracy in, 25.
 * : action of magnetism on light, 112; aberration, 156.
 * : action on light, 107.
 * : produced by lens, 27; loss of light in, 27; of fringes by interferometer, 32.
 * , 10.
 * , 128.
 * : aberration, 156.
 * : analysis of radiations of, 80.
 * : manufacture of, 87; value in waves of cadmium light, 101.
 * : efficiency of, 25; limit of resolution of, 30.
 * : complexity of, shown by spectrum, 82.
 * : measurement of coefficient of expansion, 55.
 * : effect on velocity of light, 151.
 * : color, 2.
 * : corpuscular theory, 45; spectrum, 60.
 * : relation to size of diffraction pattern, 30.
 * : motion of, 6; as standard of length, 86.
 * , 6.
 * : defined, 7; loss of by reflection, 16.
 * : diffraction, 21.
 * , 110.
 * : interference of sound, 9.
 * : diffraction of sound, 21; discovery of Argon, 24.
 * : change of phase on, 16.
 * : comparison of theories of, 47; index of, 50; measurement of index of, 51.
 * : of telescope, 29, 130; of microscope, 30; of spectroscope, 62; of grating, 121; of echelon, 125.
 * , 48.
 * : interference of on surface of mercury, 11.
 * : measurement of coefficient of expansion, 55.
 * , 1.
 * , 128.
 * : testing with interferometer, 57.
 * , 19.
 * , 6; curve, 7.
 * , 7.
 * : diffraction produced by, 22.
 * : colors of, 14.
 * : spectrum of, 61: distance between lines a standard of measurement, 62; distance between lines of, 66; analysis of radiations of, 78; action of magnetism on radiations of, 107.
 * : interference of, 9; diffraction of, 19; shadow produced by, 20.
 * : distribution of, 75.
 * : structure of, 62; analysis of with interferometer, 73.
 * , 60; of sodium, 61, 78; of hydrogen, 78; of thallium, 79; of mercury, 80; of cadmium, 81; order of, 121.
 * , 86.
 * : size of, 143.
 * : Jupiter's satellites, 142.
 * : efficiency of, 25; limit of resolution of, 29, 130.
 * : analysis of radiations of, 79.
 * : beats formed by, 12.
 * , 44.
 * : discovery of, 24.
 * : as sources of light, 75.
 * : of wave motion, 8, 146; of light, 146.
 * : defined, 68; curves with the interferometer, 70; with the double slit, 139.
 * , 161.
 * : definition of, 7; measurement of, 17; as standard of length, 84.
 * , 3; kinetic model of, 4; Kelvin's dynamic model of, 5; propagation of, 7.
 * : velocity of light, 48.
 * : interference, 22.
 * : action of magnetism on light, 107.
 * : spectrum of, 62.