# Physics

Scott, Foresman, 1905 - Physics - 449 pages

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### Contents

 Introduction 1114 11 CHAPTER II 33 CHAPTER III 57 Moments 73 CHAPTER V 97 CHAPTER VI 112 CHAPTER VII 137 Transfer of Heat 158
 CHAPTER XIII 265 Wave Motion 300 CHAPTER XVI 328 CHAPTER XVII 342 CHAPTER XVIII 357 CHAPTER XIX 369 Color 403 Velocity of Light 423

 CHAPTER IX 171 CHAPTER X 190 CHAPTER XI 211 CHAPTER XII 244
 Electrons 435 Index 447453 447 Copyright

### Popular passages

Page 48 - To every action there is always an equal and contrary reaction ; or the mutual actions of any two bodies are always equal and oppositely directed.
Page 132 - The loss of weight of a body immersed in a fluid is equal to the weight of the displaced fluid, or a body immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by it.
Page 130 - We took then a long glass tube which by a dexterous hand and the help of a lamp was in such a manner crooked at the bottom that the part turned up was almost parallel to the rest of the tube...
Page 128 - Archimedes stated that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid. By means of this principle, known as Archimedes' principle, he determined that a crown was not pure gold.
Page 376 - It may also be defined as the sine of the angle of incidence divided by the sine of the angle of refraction, as light passes from air into the substance.
Page 352 - It will be seen from the above that the number of beats per second is equal to the difference in the vibration numbers of the two forks.
Page 269 - ... a farad. The Ampere = the current driven through one ohm by one volt. A milliampere is the thousandth part of an ampere. The Coulomb — the quantity of electricity given by one ampere in one second. The Joule — the energy expended in one second by one ampere flowing through one ohm. The Watt — the power of a current of one ampere under a pressure of one volt = 44-23 approximate foot Ibs.
Page 381 - Why the image is seen as far behind the mirror as the object is in front of it.— Let AB be an arrow held Fig.
Page 60 - The square of the hypothenuse is equal to the sum of the squares of the other two sides ; as, 5033 402+302.
Page 395 - The angular magnification of a telescope is therefore equal to the ratio of the focal length of the objective to that of the ocular.