School Physics: A New Text-book for High Schools and AcademiesSheldon, 1895 - 608 σελίδες |
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Άλλες εκδόσεις - Προβολή όλων
School Physics: A New Text-book for High Schools and Academies Elroy McKendree Avery Πλήρης προβολή - 1895 |
School Physics: A New Text-book for High Schools and Academies Elroy McKendree Avery Πλήρης προβολή - 1895 |
School Physics: A New Text-book for High Schools and Academies Elroy McKendree Avery Πλήρης προβολή - 1895 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acid amperes angle angle of incidence apparatus armature axis ball battery block body bulb called carbon cell centimeter circuit coil colors conductor connected convex lens copper wire cork Daniell cell density determine diameter difference direction disk distance dynamo edge electric electrification electromotive force electroscope equal ether ether waves Experiment feet flame Florence flask focal focus galvanometer galvanoscope glass heat horizontal inches increase insulated iron lamp length lens Leyden jar light lines of force liquid magnetic measured mercury metal mirror molecules motion move needle notice ohms oscillation paper parallel pass pendulum piece Place plane plate pole position potential pounds pressure prism produced radiant energy radiation rays reflected refraction represents resistance screen shown in Fig slit sound spectrum square strip substance surface temperature terminals thermometer tion tube tumbler unit velocity vertical vibrations voltaic cell volts wave-length waves weight zinc
Δημοφιλή αποσπάσματα
Σελίδα 161 - Principle states that a body wholly or partially immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by it.
Σελίδα 92 - Newton generalized the law of attraction into a statement that every particle of matter in the universe attracts every other particle with a force which varies directly as the product of their masses and inversely as the square of the distance between them; and he thence deduced the law of attraction for spherical shells of constant density.
Σελίδα 298 - ... to that required to raise the temperature of the same weight of water one degree from the temperature of maximum density 39.1 is commonly called the specific heat of the substance.
Σελίδα 163 - The specific gravity of a substance is the ratio between the weight of any volume of the substance and...
Σελίδα 527 - ... round one set of coils of the galvanometer, the other part of the current being made to flow through the known resistances and then round the other set of coils in the opposing direction. When we have succeeded in matching the unknown resistance by one equal to it from amongst the known resistances, the currents in the two branches will be equal, and the needle of the differential galvanometer will show no deflexion.
Σελίδα 3 - ... laboratory as it is in the ordinary recitation or lecture room. The great utility of the laboratory note-book is emphatically stated. To the objection that the kind of instruction described requires much time and effort on the part of the teacher, the Conference reply that to give good instruction in the sciences requires of the teacher more work than to give good instruction in mathematics or the languages ; and that the sooner this fact is recognized by those who have the management of schools...
Σελίδα 334 - When a small object is at the center of curvature, the image is real, inverted, of the same size as the FIGURE 236.
Σελίδα 478 - Six cells, each having an emf of 2 volts and an internal resistance of 0.3 ohms, form a series battery to send a current through a resistance of 50 ohms.
Σελίδα 163 - To Find the Density of a Solid Heavier than Water. — The most common way of determining the density of such a body, if it is insoluble in water, is to find its weight in air (w); find its weight when immersed in water («,'); divide the weight in air by the loss of weight in water.
Σελίδα 201 - E is now foremost, and A finishes the row behind. I suddenly push A ; A pushes B, and regains his upright position; B pushes c; C pushes D ; D pushes E ; each boy, after the transmission of the push, becoming himself erect. E, having nobody in front, is thrown forward. Had he been standing on the edge of a precipice, he would have fallen over ; had he stood in contact with a window, he would have broken the glass ; had he been...