Hands-On Physics Activities with Real-Life Applications

Hands-On Physics Activities with Real-Life Applications
Author: James Cunningham
Publisher: John Wiley & Sons
Total Pages: 678
Release: 1994-03-31
Genre: Education
ISBN: 087628845X

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This comprehensive collection of nearly 200 investigations, demonstrations, mini-labs, and other activities uses everyday examples to make physics concepts easy to understand. For quick access, materials are organized into eight units covering Measurement, Motion, Force, Pressure, Energy & Momentum, Waves, Light, and Electromagnetism. Each lesson contains an introduction with common knowledge examples, reproducible pages for students, a "To the Teacher" information section, and a listing of additional applications students can relate to. Over 300 illustrations add interest and supplement instruction.

The Limit of Applicability of Linear Wave Refraction Theory in a Convergence Zone

The Limit of Applicability of Linear Wave Refraction Theory in a Convergence Zone
Author: Robert Warren Whalin
Publisher:
Total Pages: 190
Release: 1971
Genre: Ocean waves
ISBN:

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Reported here is an experimental investigation to assess the limits of applicability of linear wave refraction theory in a convergence zone. One bottom topography with parallel circular contours symmetric about the center of the tank was utilized and three wave periods (1, 2, and 3 sec) were tested along with three wave heights for each period. All tests were conducted for nonbreaking waves. Data were obtained at 100 locations within the model basin for each condition tested. The data were analyzed on the basic assumption that the total energy was equally partitioned between potential energy and kinetic energy. The basic computation performed was to calculate the potential energy transmitted per unit width over one wave period. Measurements of the reflected energy from the underwater topographic variations indicated that such reflections were negligible. This was verified by computations utilizing the long wave theory as well as a theory not requiring the long wave assumption. The theoretical computations indicated that the reflection coefficient was between 0.002 and 0.01 for the 3-sec waves, while the measured data indicated that it was between the scatter of the data (less than 0.02). A computation of the viscous dissipation of energy at the bottom indicated an amplitude attenuation of approximately 3 percent during propagation over the entire length of the measurement area. The experimental data indicated an amplitude attenuation of less than 5 percent due to the combined effects of reflection and bottom friction. ...

History of the Principle of Interference of Light

History of the Principle of Interference of Light
Author: N. Kipnis
Publisher: Birkhäuser
Total Pages: 268
Release: 2012-12-06
Genre: Science
ISBN: 3034886527

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The controversy between the wave theory and the emission theory of light early in the nineteenth century has been a subject of numerous studies. Yet many is sues remain unclear, in particular, the reasons for rejecting Young's theory of light. It appears that further progress in the field requires a better grasp of the overall situation in optics and related subjects at the time and a more thorough study of every factor suggested to be of importance for the dispute. This book is intended to be a step in this direction. It examines the impact of the concept of interference of light on the development of the early nineteenth century optics in general, and the theory of light, in particular. This is not a his tory of the wave theory of light, nor is it a history of the debate on the nature of light in general: it covers only that part of the controversy which involved the concept of interference. Although the book deals with a number of scientists, scientific institutions, and journals, its main character is a scientific concept, the principle of interference. While discussing the reasons for accepting or rejecting this concept I have primarily focused on scientific factors, although in some cases the human factor is examined as well. The book is a revised Ph. D. dissertation (University of Minnesota, 1984) writ ten under Alan E. Shapiro.

On the Theory of the Reflection and Refraction of Light

On the Theory of the Reflection and Refraction of Light
Author: Hendrik Antoon Lorentz
Publisher: Rodopi
Total Pages: 208
Release: 1997
Genre: Electromagnetic fields
ISBN: 9789042002630

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1997 - the centennial year of the electron - provides a good occasion to publish the first English translation ever made of H.A. Lorentz's doctoral dissertation of 1875. Just 22 years old, Lorentz took up and handled magisterially one major unresolved problem of Maxwell's electromagnetic theory, the reflection and refraction of light. By then the superiority of Maxwell's electromagnetic ether theory over current elastic solid conceptions such as Fresnel's was not nearly a settled issue. In his dissertation, Lorentz strove with considerable success to make it that. Still, he found that neither theory allowed for a satisfactory account of dispersion. One intriguing aspect of Lorentz's earliest scientific achievement (which within two years was to earn him the chair of theoretical physics at Leyden University) is that a range of subjects soon to occupy him for the rest of his life are already clearly foreshadowed in it. So far, Lorentz's first step in science has existed only in the original Dutch, and in a French translation made long ago as part of the Collected Works. Here, the joint translators have striven to provide a fluently readable, full text while preserving the flavor of Lorentz' original language and style.

REFLECTION AND REFRACTION WAVES AT THE INTERFACE

REFLECTION AND REFRACTION WAVES AT THE INTERFACE
Author: Felix F. Gorbatsevich
Publisher: American Academic Press
Total Pages: 165
Release: 2016-06-20
Genre: Science
ISBN: 163181785X

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Laws of reflection and refraction of compression and shear elastic waves at the boundary between media are considered and taken into account in a lot of solutions of scientific and technical problems. Without calculations made on the basis of these laws it is impossible to determine the earthquake epicentre coordinates, location of a producing horizon, solving the problems of noise reduction etc. in seismology, geophysics, industrial engineering, architecture. In the book are considered all cases of reflection and refraction of compression and shear elastic waves on the flat border between two different media. Two solids, a solid and liquid, a liquid and solid, two liquids, a solid and vacuum have been analyzed. The waves propagating along the flat interface are discussed. Qualitative and limited quantitative analyses of the influence of the adjoining media properties on the processes of reflection and refraction have been made. The book presents designs of transducers for elastic waves with the use of interface. The material set forth can be used as a reference book. The book is designed for specialists working in the field of acoustics, seismics, geophysics and non-destructive control of materials.