A Textbook of Modern Physics |
Contents
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Common terms and phrases
acceleration amperes angle atoms axis body Boyle's law called calorimeter cathode cell charge circuit coil colors compression condenser conductor constant copper crystal density diameter direction distance dynes earth elastic electric electrolyte electrons energy equal equation example flow frequency friction ft./sec galvanometer gases glass gram gravity heat hence hydrogen induction ions iron J. J. Thomson lamp lens light lines of force liquid magnetic field mass measured mechanical advantage mercury metal mirror molecules motion moving negative oscillations particles pendulum physical pipe plane plate polarized pole positive potential poundals pressure prism produced rays reflected refraction refractive index resistance result rotation rotational inertia shown in Fig simple harmonic motion solid solution sound specific gravity speed steam substance surface temperature thermometer tion torque tube unit vapor vector velocity vibration volts volume wave length weight wire
Popular passages
Page 108 - Every particle of matter, in the universe, attracts every other particle with a force, which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
Page 37 - Every body continues in its state of rest or of uniform motion in a straight line, except in so far as it is compelled by force to change that state.
Page 38 - Change of motion is proportional to the impressed force, and takes place in the direction of the straight line in which the force acts.
Page 488 - As a unit of electromotive force, the international volt, which is the electromotive force that, steadily applied to a conductor whose resistance is one international ohm, will produce a current of one international ampere...
Page 16 - The specific density, or specific gravity, of a substance, is the ratio of its density to that of water at 4° C.
Page 468 - When the same quantity of electricity is passed through different electrolytes the masses of substances liberated are in the ratio of their equivalent weights.
Page 381 - This rod has a north pole at one end and a south pole at the other. If the rod is cut in half, new poles appear, as in Fig.
Page 302 - ... heat cannot of itself (that is, without the performance of work by some external agency) pass from a cold to a warmer body.
Page 341 - The technique for establishing reference isoquants is called hedonic price index analysis, and it is beyond the scope of this book. Suffice it to say that the technique is both widely used and widely criticized.
Page 579 - This was a spermaceti (whale oil) candle weighing one-sixth of a pound, and burning at the rate of 120 grains per hour.