PPT-Effects of Electromagnetic Waves

Light Temperature Scattering amp Absorption Essential Standards 6P 3 Understand characteristics of energy transfer and interactions of matter and energy Clarifying Objectives 6P . Relaxation to a stationary state Electromagnetic waves Propagating plane wave Decaying plane wave brPage 4br Stationary and nonstationary states Stationary state by de64257nition means that the currents are steady and there is no net charge movement 1.Electromagnetic Waves2.Properties of Electromagnetic Waves3.Hertz Experiment4.Electromagnetic Spectrum -Wavelength and Frequency Range-Sources and Uses Electromagnetic Waves: For a region where ther Conceptual Physics. . . . . . . . . . . . J. Beauchemin 2009. Waves… a review. Most waves are either longitudinal or transverse.. Sound waves are longitudinal.. But all . electromagnetic. Section . 1- What . are electromagnetic waves?. WHAT DO CORDLESS PHONES AND MICROWAVE OVENS HAVE IN COMMON?. Each emits electromagnetic waves.. Remember…. A . wave. . is a repeating disturbance or movement that transfers energy through matter or space.. These are the slides that I intended to show in class on Thu. Mar. 27, 2014. . They contain important ideas and questions from your reading. . Due to time constraints, I was probably not able to show all the slides during class. . Outline. Review of the Quasi-static Approximation. Electric and Magnetic Components of Waves. The Wave Equation (in 1-D). Uniform Plane Waves. Phase Velocity and Intrinsic Impedance. Wave-vector and Wave-frequency. Physics 4. Prepared by Vince Zaccone. For Campus Learning Assistance Services at UCSB. Maxwell’s Equations. Prepared by Vince Zaccone. For Campus Learning Assistance Services at UCSB. Maxwell’s equations summarize the relationships between electric and magnetic fields. A major consequence of these equations is that an accelerating charge will produce electromagnetic radiation.. The stars and other objects in space are very far from Earth. Only a few solar system objects are close enough to be explored with probes. . Astronomers rely on electromagnetic waves to gain information about the universe.. There’s a whole lot of light out there!. The Electromagnetic Spectrum. The electro-magnetic spectrum is made up of visible and . nonvisible. light.. Electromagnetic waves are produced by stars and galaxies.. . WAVES. MAXWELL’S EQUATIONS. ELECTROMAGNETIC WAVES. INTRODUCTION. JAMES CLARK MAXWELL OF SCOTLAND GAVE A SET OF FORMULAE FOR ELECTRIC CHARGE, CURRENT AND THEIR ELECTRIC FIELD AS WELL AS MAGNETIC FIELD.. Mrs. Molloy. 6. th. Grade Science. Electromagnetic Waves…. Do not need matter to transfer energy.. Made by vibrating electric charges.. Travel by transferring energy between electric and magnetic fields.. Light. Light. Properties and Interactions. What is Light?. Light. is a form of energy emitted by the Sun..  . What is Light?. Light. is a type of energy that travels as an electromagnetic wave.. Light, microwave, x-ray, TV, and cell phone transmission are all kinds of . electromagnetic waves. .. Electromagnetic waves are a group of energy waves that are mostly invisible and can travel through empty space.. The Scottish physicist James Clerk Maxwell (1831–1879) was the first person to truly understand the fundamental nature of light. . He proved in 1865 that an electromagnetic disturbance should propagate in free space with a speed equal to that of light..