Simple Nature - Light and Matter

unstable, 87equipartition theorem, 322equivalence principle, 426equivalent resistanceof resistors in parallel, 534erg (unit), 78, 915escape velocity, 102esu (electrostatic unit), 915ether, 396Euclidean geometry, 423Euler’s formula, 605, 606Euler, Leonhard, 605event horizon, 430evolution, 769randomness in, 822exclusion principle, 891exponential decay, 829rate of, 832eyeevolution of, 769human, 770faraddefined, 590Faraday, Michael, 509types of electricity, 510Fermat’s principle, see least time, principle offerrite bead, 712ferromagnetism, 714fieldelectric, 563gravitational, 559, 560fields of force, 557flatworm, 769fluiddefined, 204fluorescent light, 599fluxadditivity by charge, 621additivity by region, 621defined, 618in Gauss’ theorem, 620focal angle, 759focal length, 760focal point, 760forceanalysis of forces, 156defined, 145distinguished from energy, 150fields of, 557normal, 152transmission, 158Foucault, 65four-vector, 406energy-momentum, 418Fourier’s theorem, 354fourier-spectra, 372frame of reference, 63inertial, 63in general relativity, 429Franklin, Benjamindefinition of signs of charge, 457French Revolution, 24frequency, 116of waves, 351frictionfluid, 155kinetic, 152static, 152fringediffraction, 783full width at half maximum, 829full width at half-maximum, 180fundamental, 372fundamental theorem of algebra, 605FWHM, 180, 829Galileo, 735Galilean relativity, 62, 191inertial and gravitational mass, 61Galileo Galilei, 36gamma ray, 477pair production, 419gamma rays, 16garage paradox, 393gasspectrum of, 860gas discharge tube, 599gauss (unit), 915Gauss’ law, 626differential form, 630Gauss’ theorem, 620for gravity, 626proof of, 625Gaussian pillbox, 627general relativity, 423970 Index