Ppt on electromagnetism theory

The Theory of Special Relativity. Learning Objectives  Electromagnetism and Electromagnetic Waves.  Nature of Light.  Do Electromagnetic Waves propagate.

.  The Michelson-Morley experiment.  Invariance of the speed of light under the Lorentz transformation.  Einstein’s interpretation of the Lorentz transformation. Electromagnetism James Clerk Maxwell, 1831-1879  James Clerk Maxwell united the phenomena of electricity and magnetism under the theory of electromagnetism, which is expressed through Maxwell’s equations as published in 1861/1862. Single integral with circle: closed loop Double integral with/


Dalton’s Atomic Theory

elements. Thomson’s experiments used a vacuum tube. Atomic Structure: Basic Concepts Topic 2 The Electron Because of Dalton’s atomic theory, most scientists in the 1800s believed that the atom was like a tiny solid ball that could not be broken up /2 Answer A. Chlorine B. Calcium C. Potassium Basic Concept Questions Topic 2 Question 3 Give an example for each type of electromagnetic energy listed below. A. Ultraviolet light B. Infrared light C. Visible light Answer Sample answers: A. ultraviolet light: part /


Transmission Parameters of an Infinitely Long Co-Axial Cable

goal is to provide undergraduate engineering students with understanding of a specific engineering topic and FE theory, along with an ability to apply commercial FE software to typical engineering problems. The educational goal/Generating a Solution Analyzing the Solution Concluding the Session Further Reading and References 1. Overview of Computational Electromagnetics Engineering Electromagnetics The study of electrical and magnetic fields and their interaction Governed by Maxwell’s Equations (Faraday’/


Fundamentals of Electromagnetics for Teaching and Learning: A Two-Week Intensive Course for Faculty in Electrical-, Electronics-, Communication-, and Computer-

rich set of elective courses permits students to concentrate in any sub-discipline of computer engineering including: computer systems; electronic circuits; networks; engineering applications; software, languages, and theory; and algorithms and mathematical tools. 9 Electromagnetics is all around us! In simple terms, every time we turn a switch on for electrical power or for an electronic equipment, every time we press a/


Quantum Theory of the Atom

. These inconsistencies are resolved by assuming that the energies of light and matter are quantized (meaning values are restricted). Thus, the theory eventually developed into what we call quantum theory. In the case of electromagnetic radiation, we have to think of energy as being carried by a stream of particles called photons. 2 Quantum Effects and Photons The energy carried by each photon/


THE THEORY OF THE NATURE OF LIGHT What is light? Light is an electromagnetic radiation(radiation consisting of waves of energy associated with electric.

Clerk Maxwell He was a Scottish mathematical physicist. D.O.B: 1831-1879 Maxwell’s Electromagnetic Theory Electromagnetic Theory of light was put forward by James Clerk Maxwell in 1873. According to this theory light consists of fluctuating electric and magnetic propagating in the form of electromagnetic waves. But this theory fail to explain the photoelectric effect(occurs when photons of light produce free electrons). Maxwell determined/


Atomic Theory 2.1.1 State the position of protons, electrons and neutrons in the atom 2.1.2 State the relative masses and relative charges of protons,

chip cookie model” “Plum pudding model” “chocolate chip cookie model” Rutherford and the Nucleus Rutherford and the Nucleus This theory was replaced with another, more modern one Ernest Rutherford (1910) studied angles at which  particles (nucleus of helium) / energy levels 2.3.4 Deduce the electron arrangement for atoms and ions up to Z=20 Electromagnetic radiation. Electromagnetic Radiation Most subatomic particles behave as PARTICLES and obey the physics of waves.Most subatomic particles behave as/


The Theory of Special Relativity. Learning Objectives  Electromagnetism and Electromagnetic Waves.  Nature of Light.  Do Electromagnetic Waves propagate.

.  The Michelson-Morley experiment.  Invariance of the speed of light under the Lorentz transformation.  Einstein’s interpretation of the Lorentz transformation. Electromagnetism James Clerk Maxwell, 1831-1879  James Clerk Maxwell united the phenomena of electricity and magnetism under the theory of electromagnetism, which is expressed through Maxwell’s equations as published in 1861/1862. Single integral with circle: closed loop Double integral with/


Misconceptions & Issues in Quantum Theory AP * Chemistry & AP Physics Original text taken from an article posted on AP Central by George E. Miller AP ®

and experiments of Dalton, J. J. Thomson and Rutherford, and Bohr that established the bases of atomic theory and structure as matter consisting of atoms, each with a central positive nucleus surrounded by negatively charged electrons. /probability distributions" that retain highly specific potential energy states, known because transitions between such states still result in electromagnetic radiation line spectra. Beyond the Bohr Model However, we cannot predict the energies from simple formulas when more /


The Theory of Special Relativity. Learning Objectives  Electromagnetism and Electromagnetic Waves.  Nature of Light.  Do Electromagnetic Waves propagate.

, a dynamo is used to generate electricity to power a bicycle lamp … because a changing magnetic field generates an electrical current. Electromagnetism James Clerk Maxwell, 1831-1879  James Clerk Maxwell united the phenomena of electricity and magnetism under the theory of electromagnetism, which is expressed through Maxwell’s equations as published in 1861/1862. Single integral with circle: closed loop Double integral with/


10 Lecture in physics Projects Magnetism LRC circuit Electromagnetic waves Optics.

Plancks constant. A single gamma ray photon, for example, might carry ~100,000 times the energy of a single photon of visible light.quantum theory of electromagnetismphotonselementary particlestransition of electronsenergy levelsblack- body radiation quantizedPlancks equationPlancks constant (continued) Electromagnetic radiation The effects of EMR upon biological systems (and also to many other chemical systems, under standard conditions) depend both upon the radiations power/


Jake Drake, Know- It- All Story Vocabulary electromagnets squinted observe crane hypothesis munchkin positive negative practically conclusions.

to lift and move heavy objects The crane used an electromagnet to move metal objects. hypothesis He had a hypothesis that plants need sunlight to be healthy. He checked his theory by comparing the plant on the left that had more /. Judges evaluate each person’s work and give prizes or awards to the top entrants. What do you know about electromagnets? An electromagnet is fueled by batteries. Background Information Science fairs are held throughout the country and are often sponsored by schools, counties or/


The Universe. Energy travels from stars in the form of electromagnetic waves. Electromagnetic waves can travel through empty space because they do not.

has a uniform temperature of 2.7K. The discovery of this radiation swayed many astronomers in favor of the Big Bang theory. Every theory involves assumptions, and the Big Bang is no exception; however, despite being proposed in the 1920s, the model has/ an acronym that stands for quasi-stellar, radio sources. Quasars are star-like objects that give off radio and x-ray electromagnetic waves. Scientists believe that quasars represent the earliest stages of galaxy formation… but why? A look back in time ??? To/


11 Engineering Electromagnetics Essentials Chapter 11 Summary.

multiple of half the guide wavelength for both closed-ended and open-ended resonators. Its resonant frequency can be found with the help of transmission line theory using the dispersion relation of the waveguide. Field solutions and electromagnetic boundary conditions typically for a rectangular closed- ended waveguide resonator has yielded  resonator length that is same as that predicted by the transmission line/


Radiant Energy travels through space is energy that travels through space. light Is also known as light and electromagnetic radiation electromagnetic radiation.

* 10 -7 m, what is its frequency? wavelength speed of light frequency C = 3 * 10 8 m/s 1.0 * 10 15 Hz Quantum Theory Beginning of 20 th century – wave model is almost universally accepted. Problem = electromagnetic radiation emitted from hot objects Can all light be described as continuous The energy of waves is continuous, or unbroken… When we look at/


教育部顧問室光通訊系統教育改進計畫 高應大 副教授 吳曜東 編撰 Chapter 2 Optical Fiber Waveguide in Signal Transmission 2.1 Electromagnetic Theory for Optical Waveguide 2.2 Modes in.

4) The basis for the EM wave propagation is provided by Maxwells equations shown as following: 教育部顧問室光通訊系統教育改進計畫 高應大 副教授 吳曜東 編撰 2.1 Electromagnetic Theory for Optical Waveguide ( 2.4) ( 2.5) where  is the dielectric permittivity and  is the magnetic permeability of the /the following: (2.12) It can be expressed as the following 教育部顧問室光通訊系統教育改進計畫 高應大 副教授 吳曜東 編撰 2.1 Electromagnetic Theory for Optical Waveguide Considering planar waveguides, described by Cartesian coordinates (x, y, z), or optical fibers, /


Why Study Electromagnetics? Electromagnetics is everywhere!!!  It’s around you..hmm…but you cannot detect it.  It’s the basic from which circuit theory.

cases Electro- statics Magneto- statics Electro- magnetic waves Kirchoff’s Laws Statics: Geometric Optics Transmission Line Theory Circuit Theory Input from other disciplines 6 Introduction to Electromagnetic Fields transmitter and receiver are connected by a “field.” 7 Introduction to Electromagnetic Fields When an event in one place has an effect on something at a different location, we talk about the events as being connected/


UNIFIED FIELD THEORY FOR ALL PHYSICS AND BEYOND C. Wei Xu, Virtumanity, USA The author grants this presentation redistributable as a whole freely for non-commercial.

THEORY FOR ALL PHYSICS AND BEYOND C. Wei Xu, Virtumanity, USA The author grants this presentation redistributable as a whole freely for non-commercial use only. International Conference on Quantum Physics and Nuclear Engineering, March 14-16, 2016 London, UK 1. YinYang Motion Equations 2. Horizon of Quantum Fields 3. Horizon of Macroscopic Densities 4. Horizon of Thermodynamics 5. Horizon of Electromagnetic/ Fields Yang Fields HORIZON OF ELECTROMAGNETIC FORCES  Electromagnetic fields yields the field tensor/


Quantum Theory and the Electronic Structure of Atoms Chapter 7.

12 nm Quantum Effects and Photons Planck’s Quantization of Energy (1900) According to Max Planck, when solids are heated, they emit electromagnetic radiation over a wide range of wavelengths. where h (Planck’s constant) is assigned a value of 6.63 x 10 -34/An electron in an atom can change energy levels by undergoing a “transition” from one energy level to another. The Bohr Theory of the Hydrogen Atom Bohr’s Postulates Bohr derived the following formula for the energy levels of the electron in the hydrogen /


CHAPTER 1 1.1 Classical Physics of the 1890s 1.2 The Kinetic Theory of Gases 1.3 Waves and Particles 1.4 Conservation Laws and Fundamental Forces 1.5 The.

Gases 1.3 Waves and Particles 1.4 Conservation Laws and Fundamental Forces 1.5 The Atomic Theory of Matter 1.6 Unresolved Questions of 1895 and New Horizons 1.1: Classical Physics of the 1890s Mechanics Electromagnetism Thermodynamics ELECTRICITY AND MAGNETISM THERMODYNAMICS MECHANICS CLASSICAL PHYSICS 1.1 CONSERVATION LAWS Triumph of Classical Physics: The Conservation Laws Conservation of energy: The total/


UNIT 24 : QUANTIZATION OF LIGHT

times from the interior walls until it is completely absorbed. black body The spectrum of electromagnetic radiation emitted by the black body (experimental result) is shown in figure 1. Experimental result Rayleigh -Jeans theory Wien’s theory Classical physics Figure 1 : Black Body Spectrum Rayleigh-Jeans and Wien’s theories (classical physics) failed to explain the shape of the black body spectrum or the/


Dr.-Ing. René Marklein - EFT I - SS 06 - Lecture 1 / Vorlesung 1 1 Biomedical Electromagnetic Theory ENT 215 Biomedical Electromagnetic Theory ENT 215.

Dr.-Ing. René Marklein - EFT I - SS 06 - Lecture 1 / Vorlesung 1 1 Biomedical Electromagnetic Theory ENT 215 Biomedical Electromagnetic Theory ENT 215 Program of Electronic Biomedical School of Mechatronic Engineering University Malaysia Perlis Aisyah Hartini Jahidin ahartini@unimap.edu.my Dr.-Ing. René Marklein - EFT I - SS 06 - Lecture 1 / /


The Electronic Structures of Atoms Electromagnetic Radiation

quantum theory into the hydrogen spectrum explanation. Here are the postulates of Bohr’s theory. Atom has a number of definite and discrete energy levels (orbits) in which an electron may exist without emitting or absorbing electromagnetic radiation/position and momentum of an electron (or any other small particle). Detecting an electron requires the use of electromagnetic radiation which displaces the electron! Electron microscopes use this phenomenon The Quantum Mechanical Picture of the Atom Consequently/


George Mason University General Chemistry 211 Chapter 7

are described by two independent variables: wavelength and frequency Crest Crest  = wavelength, Distance from crest to crest  = c/ = frequency = Speed light / wavelength c = speed of electromagnetic radiation (3 x 108 m/s) 4/14/2017 Quantum Theory of The Atom Wave Nature of Light Wavelength – the distance between any two adjacent identical points (crests) in a wave (given the notation  (lamba) Frequency/


Wave Model of Electromagnetic Energy An electromagnetic wave is composed of electric and magnetic vectors that are orthogonal to one another and travel.

recognized the discrete nature of exchanges of radiant energy and proposed the quantum theory of electromagnetic radiation. This theory states that energy is transferred in discrete packets called quanta or photons as discussed. The relationship between the/Planck recognized the discrete nature of exchanges of radiant energy and proposed the quantum theory of electromagnetic radiation. This theory states that energy is transferred in discrete packets called quanta or photons as discussed. The relationship /


Electromagnetic Spectrum. Quantum Mechanics At the conclusion of our time together, you should be able to:  Define the EMS (electromagnetic spectrum.

Rays  VISIBLE LIGHT  Infrared  Microwave  Radio Waves Electromagnetic Radiation Kinds of Radiation are: Features of Waves Have repetitive motion/Theory says that light of any frequency should be capable of supplying enough energy to loosen an electron THIS WAS NOT THE CASE There was a minimum frequency that had to be met before the photoelectric effect would occur There was a minimum frequency that had to be met before the photoelectric effect would occur Albert Einstein 1905 – “Electromagnetic/


Relativity Chapter 1. A Brief Overview of Modern Physics 20 th Century revolution: - 1900 Max Planck Basic ideas leading to Quantum theory Basic ideas.

are not invariant under a Galilean transformation. Speed of the Light It was postulated in the nineteenth century that electromagnetic waves, like other waves, propagated in a suitable material media, called the ether. In according with this postulate/by measuring the speed of light or doing other electricity, magnetism, and optics experiments. Possible Solutions 1. Maxwells theory of electricity and magnetism was flawed. It was approximately 20 years old while Newtons mechanics was approximately 200 years /


Chapter 21 Alternating Current Circuits and Electromagnetic Waves.

Maxwell provided a mathematical theory that showed a close relationship between all electric and magnetic phenomena More of Maxwell’s Contributions Electromagnetic theory of light Kinetic theory of gases Nature of Saturn’s rings Color vision Electromagnetic field interpretation Led to /3 x 10 8 m/s, the known speed of light This provided evidence in support of Maxwell’s theory Electromagnetic Waves Produced by an Antenna When a charged particle undergoes an acceleration, it must radiate energy If currents in/


TODAY’S AGENDA: Notes: Introduction to the Big Bang Theory Homework: 1.

move further apart from each other. Evidence for the Big Bang Theory Light & Electromagnetic Radiation Doppler Effect (Doppler Shift) Evidence for the Big Bang? The Electromagnetic Spectrum 1665: Isaac Newton observed sunlight (white light) passing through a/s wavelength tell us? How powerful (how much energy) the radiation is What kind of radiation it is The Electromagnetic Spectrum Visible light: Red light = looooooooooooooongest, Violet light = shortest On the entire EM Spectrum, Radio waves: longest/


4-1 RADIANT ENERGY 4-2 QUANTUM THEORY 4-3 ANOTHER LOOK AT THE ATOM 4-4 A NEW APPROACH TO THE ATOM 4-5 ELECTRON CONFIGURATIONS Chapter 4 Electron Configurations.

= hν  E = energy  h = 6.626 x 10 -34 J-s  Unit: joule-second  ν = frequency Planck’s Theory Using Planck’s theory, scientists can determine the temp of distant planets by measuring the λ of the electromagnetic radiation they emit Planck’s Theory Energies absorbed/emitted by atoms are quantized  Means their values are restricted to certain quantities What would happen if a car’s/


Chapter 21 Alternating Current Circuits and Electromagnetic Waves.

Maxwell provided a mathematical theory that showed a close relationship between all electric and magnetic phenomena More of Maxwell’s Contributions Electromagnetic theory of light Kinetic theory of gases Nature of Saturn’s rings Color vision Electromagnetic field interpretation Led to /3 x 10 8 m/s, the known speed of light This provided evidence in support of Maxwell’s theory Electromagnetic Waves Produced by an Antenna When a charged particle undergoes an acceleration, it must radiate energy If currents in/


Chapter 21 Alternating Current Circuits and Electromagnetic Waves.

all electric and magnetic phenomena. Section 21.8 More of Maxwell’s Contributions Electromagnetic theory of light Kinetic theory of gases Nature of Saturn’s rings Color vision Electromagnetic field interpretation – Led to Maxwell’s Equations Section 21.8 Maxwell’s / 3 x 10 8 m/s, the known speed of light. This provided evidence in support of Maxwell’s theory. Section 21.9 Electromagnetic Waves Produced by an Antenna When a charged particle undergoes an acceleration, it must radiate energy. – If currents /


Reforming Electromagnetic Units, Equations, and Concepts: An Extension of Ivor Catt’s Theory Three theories of electricity- “N”, “H”, and “C” Housecleaning.

(Z, R)Ohm (Z, R) Complex ImpedanceConcealed TEM wave Real number line Symmetric number line TEM wave, TEM step??? 43 Reforming Electromagnetic Units, Equations, and Concepts: An Extension of Ivor Catt’s Theory Three theories of electricity- “N”, “H”, and “C” Housecleaning electromagnetic theory The voltage of the photon A capacitor is a transmission line. An inductor is a transmission line. The TEM Waveguide The/


Numerical Electromagnetics LN11_Local Subcell 1 /31 Local Sub-cell Models & Non-uniform Grids (1 sessions)

reciprocal vectors associated with the cell. After: Lee et al.. IEEE Trans. Microwave Theory and Techniques, 1992. pp. 346-352, © 1992 IEEE. Numerical Electromagnetics LN11_Local Subcell zakeri@nit.ac.ir 26 /31  Unstructured grids are composed of arrays/ divider and its planar generalized Yee model. Source: Gedney and Lansing, IEEE Trans. Microwave Theory Tech., 1996, pp. 1393-1400, © 1996 IEEE. Numerical Electromagnetics LN11_Local Subcell zakeri@nit.ac.ir 29 /31  A variety of methods have been proposed/


Electromagnetic Waves Chapter 23. Electromagnetic Theory Theoretical understanding Well developed by middle 1800’s Coulomb’s Law and Gauss’ Law explained.

Electromagnetic Waves Chapter 23 Electromagnetic Theory Theoretical understanding Well developed by middle 1800’s Coulomb’s Law and Gauss’ Law explained electric fields and forces Ampère’s Law /.2 Light as an EM Wave, cont. Maxwell answered the question of the nature of light – it is an electromagnetic wave He also showed that the equations of electricity and magnetism provide the theory of light EM Waves in a Vacuum Remember that mechanical waves need a medium to travel through Many physicists searched for/


Alternating Current Circuits and Electromagnetic Waves Chapter 21.

Hertz’s Results Hertz hypothesized the energy transfer was in the form of waves (now known to be electromagnetic waves) Hertz confirmed Maxwell’s theory by showing the waves existed and had all the properties of light waves (with different frequencies and wavelengths)/close to 3 x 10 8 m/s, the known speed of light, which provided evidence in support of Maxwell’s theory Electromagnetic Waves Produced by an Antenna When a charged particle undergoes an acceleration, it must radiate energy If currents in an ac/


Alternating Current Circuits and Electromagnetic Waves Chapter 21.

transfer occurred between them Heinrich Rudolf Hertz 1857 – 1894 Hertz’s Results Hertz hypothesized the energy transfer was in the form of waves (now known to be electromagnetic waves) Hertz confirmed Maxwell’s theory by showing the waves existed and had all the properties of light waves (with different frequencies and wavelengths) Hertz measured the speed of the waves from the transmitter/


Chapter Menu Electrons in Atoms Section 5.1Section 5.1Light and Quantized Energy Section 5.2Section 5.2 Quantum Theory and the Atom Section 5.3Section.

.B C.C D.D Section 5-1 Section 5.1 Assessment What is a particle of electromagnetic radiation with no mass called? A.beta particle B.alpha particle C.quanta D.photon End of Section 5-1 Section 5-2 Section 5.2 Quantum Theory and the Atom Compare the Bohr and quantum mechanical models of the atom. atom: the smallest/


1 Chapter 3 Electromagnetic Theory, Photons and Light September 5,8 Electromagnetic waves 3.1 Basic laws of electromagnetic theory Lights are electromagnetic.

1 Chapter 3 Electromagnetic Theory, Photons and Light September 5,8 Electromagnetic waves 3.1 Basic laws of electromagnetic theory Lights are electromagnetic waves. Electric fields are generated by electric charges or time-varying magnetic fields. / power I·4  r 2 = constant, I  E 0 2  E 0  1/r. 10 3.3.3 Photons The electromagnetic wave theory explains many things (propagation, interaction with matter, etc.). However, it cannot explain the emission and absorption of light by atoms (black body radiation,/


Quantum Theory of the Atom. .Copyright © Houghton Mifflin Company.All rights reserved. Presentation of Lecture Outlines, 7–2 The Wave Nature of Light.

travel through space. –Visible light, X rays, and radio waves are all forms of electromagnetic radiation. (See Animation: Electromagnetic Wave)(See Animation: Electromagnetic Wave) .Copyright © Houghton Mifflin Company.All rights reserved. Presentation of Lecture Outlines, 7/Copyright © Houghton Mifflin Company.All rights reserved. Presentation of Lecture Outlines, 7–20 Quantum Mechanics Bohr’s theory established the concept of atomic energy levels but did not thoroughly explain the “wave-like” behavior of /


Chapter Menu Electrons in Atoms Section 5.1Section 5.1Light and Quantized Energy Section 5.2Section 5.2 Quantum Theory and the Atom Section 5.3Section.

continuous spectrum of colors. The electromagnetic spectrum includes all forms of electromagnetic radiation.electromagnetic spectrum Section 5-1 The /electromagnetic waves have both wave and particle properties. Matter emits and absorbs energy in quanta. E quantum = hν Study Guide 1 Section 5.1 Light and Quantized Energy (cont.) Key Concepts White light produces a continuous spectrum. An element’s emission spectrum consists of a series of lines of individual colors. Study Guide 2 Section 5.2 Quantum Theory/


Chapter Menu Electrons in Atoms Section 5.1Section 5.1Light and Quantized Energy Section 5.2Section 5.2 Quantum Theory and the Atom Section 5.3Section.

.B C.C D.D Section 5-1 Section 5.1 Assessment What is a particle of electromagnetic radiation with no mass called? A.beta particle B.alpha particle C.quanta D.photon End of Section 5-1 Section 5-2 Section 5.2 Quantum Theory and the Atom Compare the Bohr and quantum mechanical models of the atom. atom: the smallest/


Chapter 24 Electromagnetic Waves 2 Fig. 24-CO, p. 806.

plates, then I d = dq/dt This is equal to the conduction current through S 1 Fig 24.2 10 James Clerk Maxwell 1831 – 1879 Developed the electromagnetic theory of light Developed the kinetic theory of gases Explained the nature of color vision Explained the nature of Saturn’s rings Died of cancer 11 24.2 Maxwell’s Equations, Introduction In 1865, James/


Quantum Theory Glenn V. Lo Department of Physical Sciences Nicholls State University.

theory, which is based on Quantum Mechanics. Light is also known as “electromagnetic radiation” Electromagnetic wave Behavior of light are well-explained by thinking of light as an electromagnetic wave. Wave = periodic disturbance propagating through space. “Periodic” means repeating. “Electromagnetic/blue Which color of light corresponds to higher frequency? A. red, B. blue Which type of electromagnetic radiation corresponds to longer wavelength? A. microwave, B. x-ray Longer wavelength x-rays, ultraviolet /


John Dalton (1766- 1844), an English schoolteacher and chemist. Dalton’s Atomic Theory Development of the Modern Atomic Theory Chapter 5: Electrons in.

3. All atoms of one element are exactly alike, but are different from atoms of other elements. Dalton’s atomic theory, led most scientists in the 1800s believed that the atom was like a tiny solid ball that could not be broken / form, visible light. All of these forms of radiant energy are parts of a whole range of electromagnetic radiation called the electromagnetic spectrum. The Electromagnetic Spectrum Electrons and Light The spectrum of light released from excited atoms of an element is called the /


1 Modern Atomic Theory. 2 ELECTROMAGNETIC RADIATION Visible Light Is A Form Of Energy X-rays UV rays radio waves microwaves.

energy in small, specific amounts called quanta Quantum  the minimum quantity of energy that can be lost or gained by an atom 11 Electromagnetic radiation. 12 1905 Albert Einstein Expanded on Planck’s theory by introducing the idea that electromagnetic radiation has a dual wave-particle nature Light displays many wavelike properties, it can also be thought of as a stream of particles/


Chapter 7 Atomic Structure Dr. S. M. Condren.

of light = 3.00 x 108 m/sec Long wavelength --> small frequency Short wavelength --> high frequency Dr. S. M. Condren Electromagnetic Radiation Long wavelength --> small frequency Short wavelength --> high frequency increasing frequency increasing wavelength Dr. S. M. Condren Fireworks Dr. S. /. S. M. Condren Atomic Line Spectra and Niels Bohr Bohr’s theory was a great accomplishment. Rec’d Nobel Prize, 1922 Problems with theorytheory only successful for H. introduced quantum idea artificially. So, we go/


EMLAB 1 Introduction to EM theory 1. EMLAB 2 Electromagnetic phenomena The globe lights up due to the work done by electric current (moving charges).

Predicts voltages and currents using the concept of electric and magnetic field. Importance of electromagnetic theory EMLAB 10 Basic laws – Maxwell equations 1.Electromagnetic phenomena are explained by the four Maxwell equations. 2.Through the equations, electric field / are current density vector J and charge density. Maxwell equations Solution (free space) EMLAB 11 Electromagnetic theory Electric field (E) Magnetic field (H) Electro-magnetic field (E,H ) Sources (q, J) Material (ε, μ) Mathematics/


Atomic Theory and Spectroscopy

the eye, which can be transmitted from one place to another at a finite velocity Theory of Light •Two complimentary theories to explain how light behaves and the form by which it travels: Particle Theory Wave Theory Particle Theory • Release of a photon Electromagnetic spectrum and Energy longest Planck’s Quantum Theory In 1900, German Physicist Max Planck proposed: “Radiant energy may only be absorbed or emitted/


Objectives Vocabulary Describe electromagnetic radiation.

lenses, while a refracting telescope uses mirrors. Tools of Astronomy Section Assessment 2. What are the categories of electromagnetic radiation? Electromagnetic radiation includes visible light, infrared and ultraviolet radiation, radio waves, microwaves, X rays, and gamma rays. Tools/this conclusion. The Moon History of the Moon Tectonics on the Moon? History of the Moon Formation Theories The capture theory proposes that as the solar system was forming, a large object ventured too near to the forming /


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