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accuracy adjusted apparatus axis battery beam body burette C.G.S. units calorimeter Cavendish Laboratory centimetres centre circle coil coincide conductor connected copper cross-wire cylinder deflexion density determine disc distance division drying tubes electrical resistance electromotive force Enter results equal equation error experiment Experiment.—Determine eye-piece fixed focal length formula galvanometer given glass glycerine grammes heat Hence horizontal hydrometer hypsometer instrument lens light lines of force liquid magnet magnetic moment mass means measure mercury method millimetre mirror moment of inertia move needle object-glass observations obtained oscillation parallel passes piece placed plane plate pointer polarisation pole position pressure prism produced quantity of electricity radius ratio rays reading reflected resistance right angles rotation scale pans screw shew shewn slit specific gravity surface telescope temperature thermometer tube turn vapour vernier vertical volume weight wire zero
Page 14 - The rate of change of momentum is proportional to the impressed force, and takes place in the direction of the straight line in which the force acts.
Page 105 - The specific gravity of a solid or liquid is the ratio of the mass of the body to the mass of an equal volume of water at some standard temperature.
Page 212 - Specific Heat. The specific heat of any substance is the ratio of the quantity of heat required to raise a given weight of that substance one degree in temperature...
Page viii - Our general aim in the book has been to place before the reader a description of a course of experiments which shall not only enable him to obtain a practical acquaintance with the methods of measurements, but also as far as possible illustrate the more important principles of the various subjects.
Page 278 - The ratio of the angle subtended at the eye by the image...
Page 8 - ... parts of them have less analogy with the purely dynamical sciences. The most important functions belonging to instruments, or elements of instruments, are as follows : — 1. The Source of energy. The energy involved in the phenomenon we are studying is not, of course, produced from nothing, but it enters the apparatus at a particular place, which we may call the Source. 2. The channels or distributors of energy, which carry it to the places where it is required to do work. 3. The restraints,...
Page 212 - The specific heat of a substance is numerically equal to the number of calories required to raise the temperature of...
Page 442 - The rule therefore for obtaining the greatest galvanometer deflexion in a given system is as follows : Of the two resistances, that of the battery and that of the galvanometer, connect the greater resistance so as to join the two greatest to the two least of the four other resistances.