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particle nature of electromagnetic radiation is explained by

One way in which light interacts with matter is via the photoelectric effect, which will be studied in detail in . Introduction 06.11 Hess’s Law and Enthalpies for Different Types of Reactions. • Calculate the wavelength or frequency of electromagnetic radiation. The physicist Max Planck first described the direct proportionality between energy and frequency; that is, as the frequency increases, so does the energy. This question can be answered both broadly and specifically. Planck’s constant Light, that is, visible, infrared and ultraviolet light, is usually described as though it is a wave. ionization • Describe the nature of the electromagnetic spectrum. In fact, energy and frequency of electromagnetic radiation are related mathematically. particulate radiation Radio waves, microwaves, infrared, visible light, UV-rays, X-rays, gamma rays are electromagnetic radiation. that electromagnetic radiation can only exist as “packets” of energy, later called, Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Google+ (Opens in new window), on Electromagnetic and Particulate Radiation. Class 11: Chemistry: Structure of Atom-I: Particle Nature of Electromagnetic Radiation: Planck’s quantum Theory Identify concepts regarding the electromagnetic spectrum important for the radiographer. Offer ending soon! For example, sound is a form of mechanical energy. Since the energy of a particle of light depends on its frequency, an incoming particle with a high enough frequency will have a high enough energy to liberate an electron from a metal. Related In general, it is the radiographer’s role to be familiar with the different types of radiation to which patients may be exposed and to be able to answer questions and educate patients. particle nature of electromagnetic radiation and planck's quantum theory The electromagnetic wave theory of radiation believed in the continuous generation of energy. Difference between Electromagnetic and Mechanical Energy. The S.I. • Identify concepts regarding the electromagnetic spectrum important for the radiographer. alpha particles This phenomenon is called, Essentials of Radiographic Physics and Imaging. Wavelength, Only gold members can continue reading. The members of the electromagnetic spectrum from lowest energy to highest are radiowaves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays. All of the members of the electromagnetic spectrum have the same velocity (the speed of light or 3 × 108 m/s) and vary only in their energy, wavelength, and frequency. • Describe the nature of particulate radiation. The electromagnetic spectrum energy, frequency, and wavelength ranges are continuous, with energies from 10, Electromagnetic radiation exhibits properties of a wave or a particle depending on its energy and in some cases its environment. Radiowaves are used in conjunction with a magnetic field in magnetic resonance imaging (MRI) to create images of the body. Einstein proposed that electromagnetic radiation has a wave-particle nature, that the energy of a quantum, or photon, depends on the frequency of the radiation, and that the energy of the photon is given by the formula Ephoton=hv. You may also needX-ray Interactions with MatterImage ProductionThe X-ray CircuitRadiographic Exposure TechniqueIntroduction to the Imaging SciencesX-ray ProductionAdditional EquipmentStructure of the Atom • Explain the relationship between energy and frequency of electromagnetic radiation. Key Terms Chemistry Journal 2.2 Electromagnetic Radiation Driving Question: How does the nature of particles, waves, and energy explain phenomena such as lightning? Discovery of Electron; 2.1.2. Unlike mechanical energy, which requires an object or matter to act through, electromagnetic energy can exist apart from matter and can travel through a vacuum. One difference between the “ends” of the spectrum is that only high-energy radiation (x-rays and gamma rays) has the ability to ionize matter. This ability to describe reality in the form of waves is at the heart of quantum mechanics. Electromagnetic radiation is a form of energy that originates from the atom. There are only two ways to transfer energy from one place to another place. Radiowaves are used in conjunction with a magnetic field in magnetic resonance imaging (MRI) to create images of the body. beta particles Only gold members can continue reading. The energy of electromagnetic radiation can be calculated by the following formula: As a result, the particle nature of light comes into play when it interacts with metals and irradiates free electrons. In this theory he explained that all. It states that all the particles and quantum entities have not only a wave behaviour but also a particle … Conceptually we can talk about electromagnetic radiation based on its wave characteristics of velocity, amplitude, wavelength, and frequency. Electromagnetic Radiation is basically light, which is present in a rainbow or a double rainbow. unit of frequency ( ν) is hertz (Hz, s −1 ). 3.6 The Dual Nature of Electromagnetic Energy Learning Objectives Explain how the double slit experiment demonstrates wave-particle duality at the quantum scale. So we know that light has properties of waves. Feb 27, 2016 | Posted by admin in GENERAL RADIOLOGY | Comments Off on Electromagnetic and Particulate Radiation. For a photon: P = h v c. Therefore, h p = c v = λ. In this formula, E is energy, h is Planck’s constant (equal to 4.15 × 10-15 eV-sec), and f is the frequency of the photon. With this rationale in mind, the electromagnetic spectrum is discussed first, followed by a discussion of particulate radiation. James Clerk Maxwell derived a wave form of the electric and magnetic equations, thus uncovering the wave-like nature of electric and magnetic fields and their symmetry. In general, it is the radiographer’s role to be familiar with the different types of radiation to which patients may be exposed and to be able to answer questions and educate patients. ultraviolet light In this theory he explained that all electromagnetic radiation is very similar in that it has no mass, carries energy in waves as electric and magnetic disturbances in space, and travels at the speed of light (Figure 3-1). unit of wavelength is metre (m). His work is considered by many to be one of the greatest advances of physics. • Differentiate between electromagnetic and particulate radiation. infrared light He or she should also understand the nature of radiation well enough to safely use it for medical imaging purposes. In the absence of the intervening air molecules, no sound would reach the ear. The wave theory of light was challenged when scientists discovered the photoelectric effect. That is, electromagnetic radiations are emitted when changes in atoms occur, such as when electrons undergo orbital transitions or atomic nuclei emit excess energy to regain stability. Wavelength and frequency are discussed shortly. wavelength This chapter introduces the nature of electromagnetic and particulate radiation. Particulate Radiation With electromagnetic radiation, it is the energy itself that is vibrating as a combination of electric and magnetic fields; it is pure energy. color) of radiant energy emitted by a blackbody depends on only its temperature, not its surface or composition. The energy is measured in electron volts (eV). While investigating the scattering of X-rays, he observed that such rays lose some of their energy in the scattering process and emerge with slightly decreased frequency. Explain the relationship between energy and frequency of electromagnetic radiation. In the latter half of the 19th century, the physicist James Maxwell developed his electromagnetic theory, significantly advancing the world of physics. As previously stated, the velocity for all electromagnetic radiation is the same: 3 × 108 m/s. Electromagnetic radiation is a form of energy that originates from the atom. All electromagnetic radiations have the same nature in that they are electric and magnetic disturbances traveling through space. This question about the nature of electromagnetic radiation was debated by scientists for more than two centuries, starting in the 1600s. He introduced a new concept that light shows dual nature. The photon is now regarded as a particle in fields related to the interaction of material with light that is absorbed and emitted; and regarded as a wave in regions relating to light propagation. This question can be answered both broadly and specifically. The energy of electromagnetic radiation can be calculated by the following formula: In this formula, E is energy, h is Planck’s constant (equal to 4.15 × 10-15 eV-sec), and f is the frequency of the photon. These fields are transmitted in the forms of waves called electromagnetic waves or electromagnetic radiation. But, at the beginning of the 20th century, scientists had begun to question the w… Planck theorized that electromagnetic radiation can only exist as “packets” of energy, later called photons. The constant, h, which is named for Planck, is a mathematical value used to calculate photon energies based on frequency. • Explain wave-particle duality as it applies to the electromagnetic spectrum. Because the speed of EM waves predicted by the wave equation coincided with the measured speed of light, Maxwell concluded that light itself is an EM wave. This property is explained in this chapter. Electromagnetic radiation is energy traveling at the speed of light in waves as an electric and magnetic disturbance in space. The energy is measured in electron volts (eV). • Identify concepts regarding the electromagnetic spectrum important for the radiographer. Based on Einstein’s light quantum hypothesis, the duality of the photon was confirmed quantum-mechanical experiments and examination. Define waves. hertz (Hz) Applying Einstein's special theory of relativity, the relationship between energy (E) and momentum (p) of a particle is E = [ (pc) 2 + (mc 2) 2] (1/2) where m is the rest mass of the particle and c is the velocity of light in a vacuum. The sound from a speaker vibrates molecules of air adjacent to the speaker, which then pass the vibration to other nearby molecules until they reach the listener’s ear. Students may wonder why it is necessary for the radiographer to understand the entire spectrum of radiation. Log In or. This chapter introduces the nature of electromagnetic and particulate radiation. This chapter introduces the nature of electromagnetic and particulate radiation. His work is considered by many to be one of the greatest advances of physics. Rather, the energy itself vibrates. Electromagnetic radiations are characterized by the properties − frequency ( v) and wave length (λ). Electromagnetic radiation can be defined as a form of energy that is produced by the movement of electrically charged particles traveling through a matter or vacuum or by oscillating magnetic and electric disturbance. gamma rays This phenomenon is called wave-particle duality, which is essentially the idea that there are two equally correct ways to describe electromagnetic radiation. He suggested that when electrically charged particles move with an acceleration alternating electrical and magnetic fields are produced and transmitted. The wavelengths of the electromagnetic spectrum range from 106 to10-16 meters (m) and the frequencies range from 102 to 1024 hertz (Hz). Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) Log In or Register to continue Hurry! Conceptually we can talk about electromagnetic radiation based on its wave characteristics of … They all have the same velocity—the speed of light—and vary only in their energy, wavelength, and frequency. The energy of the electromagnetic spectrum ranges from 10-12 to 1010 eV. • Discuss the energy, wavelength, and frequency of each member of the electromagnetic spectrum and how these characteristics affect its behavior in interacting with matter. This question can be answered both broadly and specifically. The higher the intensity of light shining on a metal, the more packets, or particles, the metal absorbs and the more electrons are emitted. Rather, the energy itself vibrates. • Calculate the wavelength or frequency of electromagnetic radiation. Conceptually we can talk about electromagnetic radiation based on its wave characteristics of velocity, amplitude, wavelength, and frequency. It also is a spectrum consisting of radio waves, microwaves, infrared waves, visible light, ultraviolet radiation, X-rays, and gamma rays. All of the members of the electromagnetic spectrum have the same velocity (the speed of light or 3 × 108 m/s) and vary only in their energy, wavelength, and frequency. The constant, h, which is named for Planck, is a mathematical value used to calculate photon energies based on frequency. The members of the electromagnetic spectrum from lowest energy to highest are radiowaves, microwaves, infrared light, visible light, ultraviolet light, x-rays, and gamma rays. The radiographer should consider him or herself as a resource for the public and should be able to dispel any myths or misconceptions about medical imaging in general. E=hf • Explain wave-particle duality as it applies to the electromagnetic spectrum. \n Particle/wave nature of electromagnetic radiation \n \n Key Features of the Photoelectric Effect The wave model of light cannot explain why heated objects emit only certain [frequencies] of light at a given temperature, or why some metals emit [electrons] when light of a specific frequency shines on them. Electromagnetic and Particulate Radiation All electromagnetic radiations have the same nature in that they are electric and magnetic disturbances traveling through space. In 1905, Einstein applied Planck's quantum theory of light to account for the extraordinary features of the photoelectric effect. Both ends of the electromagnetic spectrum are used in medical imaging. Describe the nature of the electromagnetic spectrum. This phenomenon is called wave-particle duality, which is essentially the idea that there are two equally correct ways to describe electromagnetic radiation. (1 point) EM radiation has a frequency EM radiation can move through space without a medium. Electrons in Atoms: Particle Nature Directions: Using this linked PDF, complete the following questions.They are in order with the reading. That is, electromagnetic radiations are emitted when changes in atoms occur, such as when electrons undergo orbital transitions or atomic nuclei emit excess energy to regain stability. X-rays and gamma rays are used for imaging in radiology and nuclear medicine, respectively. (b) De-broglie wavelength is given by: λ = h p. λ = h … Differentiate between electromagnetic and particulate radiation. He or she should also understand the nature of radiation well enough to safely use it for medical imaging purposes. Blackbody Radiation. Electromagnetic energy differs from mechanical energy in that it does not require a medium in which to travel. Discuss the energy, wavelength, and frequency of each member of the electromagnetic spectrum and how these characteristics affect its behavior in interacting with matter. Critical Concept 3-2 The sound from a speaker vibrates molecules of air adjacent to the speaker, which then pass the vibration to other nearby molecules until they reach the listener’s ear. The phenomenon is studied in condensed matter physics, and solid state and quantum chemistry to draw inferences about the properties of atoms, molecules and solids. In the latter half of the 19th century, the physicist James Maxwell developed his electromagnetic theory, significantly advancing the world of physics. For example, sound is a form of mechanical energy. In fact, energy and frequency of electromagnetic radiation are related mathematically. The magnetic and the electric fields come at 90° to each other and the combined waves move perpendicular to both electric and magnetic oscillating fields occurring the disturbance. Both ends of the electromagnetic spectrum are used in medical imaging. Wavelength and frequency are discussed shortly. x-rays Electromagnetic waves travel at the speed of 3.0 × 10 8 m/s, which is the speed of light (denoted by c ). Electromagnetic radiation exhibits properties of a wave or a particle depending on its energy and in some cases its environment. Chapter 3 nature of ionizing radiation as well as any risks and benefits, and should be an advocate for the patient in such discussions with other professionals. Besides, photons assume an essential role in the electromagnetic propagation of energy. microwaves • Differentiate between x-rays and gamma rays and the rest of the electromagnetic spectrum. Compton effect Convincing evidence of the particle nature of electromagnetic radiation was found in 1922 by the American physicist Arthur Holly Compton. • Describe the nature of the electromagnetic spectrum. More specifically, the radiographer should be able to explain to a patient the nature of ionizing radiation as well as any risks and benefits, and should be an advocate for the patient in such discussions with other professionals. They all have the same velocity—the speed of light—and vary only in their energy, wavelength, and frequency. Charge to Mass Ratio of Electron; 2.1.3. Unlike mechanical energy, which requires an object or matter to act through, electromagnetic energy can exist apart from matter and can travel through a vacuum. Electromagnetic Radiation electromagnetic spectrum The amplitude refers to the maximum height of a wave. The ranges of energy, frequency, and wavelength of the electromagnetic spectrum are continuous—that is, one constituent blends into the next (Figure 3-2). Sub Atomic Particles; 2.1.1. Radiowaves are used in conjunction with a magnetic field in magnetic resonance imaging (MRI) to create images of the body. photon I would like to throw some light to the history and developements of what led to the failure of the wave nature of light. X-rays and gamma rays are used for imaging in radiology and nuclear medicine, respectively. The key difference between wave and particle nature of light is that the wave nature of light states that light can behave as an electromagnetic wave, whereas the particle nature of light states that light consists of particles called photons. • Describe the nature of particulate radiation. 6.11 Hess’s Law and Enthalpies for Different Types of Reactions, 06.13 Enthalpy of solution and Lattice Enthalpy, 6.13 Enthalpy of Solution and Lattice Enthalpy, 07.02 Equilibrium In Physical Processes – I, 7.02 Equilibrium In Physical Processes - I, 07.03 Equilibrium In Physical Processes – II, 7.03 Equilibrium In Physical Processes - II, 07.04 Equilibrium in Chemical Processes – Dynamic Equilibrium, 7.04 Equilibrium in Chemical Processes - Dynamic Equilibrium, 07.05 Law of Chemical Equilibrium and Equilibrium Constant, 7.05 Law of Chemical Equilibrium and Equilibrium Constant, 07.08 Characteristics and Applications of Equilibrium Constants, 7.08 Characteristics and Applications of Equilibrium Constants - I, 07.09 Characteristics and Applications of Equilibrium Constants – II, 7.09 Characteristics and Applications of Equilibrium Constants - II, 07.10 Relationship between Equilibrium Constant K, Reaction Quotient Q and Gibbs Energy G, 7.10 Relationship Between Equilibrium Constant K, Reaction Quotient Q and Gibbs Energy G, 07.14 Acids, Bases and Salts – Arrhenius Concept, 7.14 Acids, Bases and Salts - Arrhenius Concept, 07.15 Acids, Bases and Salts – Brönsted-Lowry Concept and Lewis Concept, 7.15 Acids, Bases and Salts - Brönsted-Lowry Concept and Lewis Concept, 07.16 Ionization of Acids and Bases and KW of Water, 7.16 Ionization of Acids and Bases and KW of Water, 07.18 Ionization Constants of Weak Acids and Weak Bases, 7.18 Ionization Constants of Weak Acids and Weak Bases, 07.19 Factors Affecting Acid Strength and Common Ion Effect, 7.19 Factors Affecting Acid Strength and Common Ion Effect, 07.20 Hydrolysis of Salts and the pH of their solutions, 7.20 Hydrolysis of Salts and the pH of their solutions, 08.02 Redox Reaction in terms of Electron Transfer Reaction, 8.02 Redox Reaction in Terms of Electron Transfer, 08.08 Redox Reactions as Basis for Titration, 8.08 Redox Reactions as Basis for Titration, 08.09 Redox Reactions and Electrode processes, 8.09 Redox Reactions and Electrode Processes, 09.01 Introduction to Hydrogen and its Isotopes, 9.01 Introduction to Hydrogen and Its Isotopes, 09.06 Structure of Water and Ice, Hard and Soft water, 9.06 Structure of Water and Ice, Hard and Soft water, 10.02 Group I Elements /Alkali Metals: Properties – I, 10.02 Group I Elements (Alkali Metals) Properties - I, 10.03 Group I Elements /Alkali Metals: Properties – II, 10.03 Group I Elements (Alkali Metals) Properties - II, 10.04 General Characteristics of Compounds of Alkali Metals, 10.05 Anomalous Properties of Lithium and diagonal relationship, 10.05 Anomalous Properties of Lithium and Diagonal Relationship, 10.06 Compounds of Sodium: Na2CO3 and NaHCO3, 10.06 Compounds of Sodium - Na2CO3 and NaHCO3, 10.07 Compounds of Sodium - NaCl and NaOH, 10.08 Group II Elements “Alkaline Earth Metals”- I, 10.08 Group II Elements (Alkaline Earth Metals) - I, 10.09 Group II Elements “Alkaline Earth Metals”- II, 10.09 Group II Elements (Alkaline Earth Metals) - II, 10.10 Uses of Alkali Metals and Alkaline Earth Metals, 10.11 General Characteristics of Compounds of Alkaline Earth Metals, 10.12 Anomalous Behaviour of Beryllium and Diagonal Relationship, 10.13 Some Important Compounds of Calcium: CaO and Ca(OH)2, 10.13 Some Important Compounds of Calcium - CaO and Ca(OH)2, 10.14 Important Compounds of Calcium: CaCO3, CaSO4 and Cement, 10.14 Important Compounds of Calcium - CaCO3, CaSO4 and Cement, 11.03 Group 13 Elements: The Boron Family, 11.03 Group 13 Elements - The Boron Family, 11.04 The Boron Family: Chemical Properties, 11.04 The Boron Family - Chemical Properties, 11.06 Boron and its compounds – Ortho Boric Acid and Diborane, 11.06 Boron and Its Compounds - Ortho Boric Acid and Diborane, 11.07 Uses of Boron and Aluminium And their Compounds, 11.07 Uses of Boron and Aluminium and Their Compounds, 11.08 The Carbon Family Overview and Physical Properties, 11.09 The Carbon Family Overview and Chemical Properties, 11.10 Important Trends and Anomalous Behaviour of Carbon, 11.12 Important Compounds of Carbon: Carbon Monoxide, 11.12 Important Compounds of Carbon - Carbon Monoxide, 11.13 Important Compounds of Carbon: Carbon dioxide, 11.13 Important Compounds of Carbon - Carbon Dioxide, 11.14 Important Compounds of Silicon: Silicon dioxide, 11.14 Important Compounds of Silicon - Silicon Dioxide, 11.15 Important Compounds of Carbon: Silicones, Silicates, Zeolites, 11.15 Important Compounds of Carbon - Silicones, Silicates, Zeolites, 12 Organic Chemistry - Some Basic Principles and Techniques, 12.01 Organic Chemistry and Tetravalence of Carbon, 12.02 Structural Representation of Organic Compounds, 12.03 Classification of Organic Compounds, 12.05 Nomenclature of branched chain alkanes, 12.05 Nomenclature of Branched Chain Alkanes, 12.06 Nomenclature of Organic Compounds with Functional Group, 12.06 Nomenclature of Organic Compounds with Functional Group, 12.07 Nomenclature of Substituted Benzene Compounds, 12.12 Resonance Structure and Resonance Effect, 12.12 Resonance Structure and Resonance Effect, 12.13 Electromeric Effect and Hyperconjugation, 12.14 Methods of purification of organic compound – Sublimation, Crystallisation, Distillation, 12.14 Methods of Purification of Organic Compound, 12.15 Methods of purification of organic compound – Fractional Distillation and Steam Distillation, 12.15 Methods of Purification of Organic Compound, 12.16 Methods of purification of organic compound – Differential Extraction and Chromatography, 12.16 Methods of Purification of Organic Compound, 12.17 Methods of purification of organic compound- Column, Thin layer and Partition Chromatography, 12.17 Methods of Purification of Organic Compound, 12.18 Qualitative analysis of organic compounds, 12.18 Qualitative Analysis of Organic Compounds, 12.19 Quantitative analysis of Carbon and Hydrogen, 12.19 Quantitative Analysis of Carbon and Hydrogen, 13.01 Hydrocarbons Overview and Classification, 13.04 Physical and Chemical Properties of Alkanes – I, 13.04 Physical and Chemical Properties of Alkanes - I, 13.05 Physical and Chemical Properties of Alkanes – II, 13.05 Physical and Chemical Properties of Alkanes - II, 13.07 Alkenes – Structure, Nomenclature, And Isomerism, 13.07 Alkenes - Structure, Nomenclature and Isomerism, 13.09 Physical and Chemical Properties of Alkenes – I, 13.09 Physical and Chemical Properties of Alkenes, 13.10 Physical and Chemical Properties of Alkenes – II, 13.10 Physical and Chemical Properties of Alkenes, 13.11 Alkynes – Structure, Nomenclature and Isomerism, 13.11 Alkynes - Structure, Nomenclature and Isomerism, 13.13 Physical and Chemical Properties of Alkynes – I, 13.13 Physical and Chemical Properties of Alkynes, 13.14 Physical and Chemical Properties of Alkynes – II, 13.14 Physical and Chemical Properties of Alkynes, 13.15 Benzene, Preparation and Physical Properties, 13.16 Aromatic Hydrocarbons – Structure, Nomenclature and Isomerism, 13.16 Aromatic Hydrocarbons - Structure, Nomenclature and Isomerism, 13.19 Mechanism of Electrophilic Substitution Reactions, 13.19 Mechanism of Electrophilic Substitution Reaction, 13.20 Directive influence of a functional group in Monosubstituted Benzene, 13.20 Directive Influence of a Functional Group in Mono substituted Benzene, 14.02 Tropospheric pollutants : Gaseous air pollutant – I, 14.2 Tropospheric Pollutants - Gaseous air Pollutant, 14.03 Tropospheric pollutants : Gaseous air pollutant – II, 14.03 Tropospheric Pollutants - Gaseous Air Pollutant, 14.04 Global Warming and Greenhouse Effect, 14.06 Tropospheric pollutants : Particulate pollutant, 14.06 Tropospheric Pollutants - Particulate Pollutant, 14.10 Water Pollution: Chemical Pollutant, 14.10 Water Pollution - Chemical Pollutant, 14.11 Soil Pollution, Pesticides and Industrial Waste, 14.12 Strategies to control environmental pollution, 14.12 Strategies to Control Environmental Pollution, Chapter 14 Environmental Chemistry - Test. Critical Concept 3-1 Electromagnetic Radiation Tags: Essentials of Radiographic Physics and Imaging The wave-particle duality of photons and electromagnetic radiation is enshrined in an equation first proposed by the German physicist Max Planck (1858 to 1947). Electromagnetic radiation may be defined as “an electric and magnetic disturbance traveling through space at the speed of light.” The electromagnetic spectrum is a way of ordering or grouping the different electromagnetic radiations. Video explain methods & techniques to solve numericals on particle nature of electromagnetic radiations helpful for CBSE 11 Chemistry Ch.2 structure of atom EM radiation has a wavelength. The American physicist Arthur Holly Compton explained (1922; published 1923) the wavelength increase by considering X-rays as composed of discrete pulses, or quanta, of electromagnetic energy. radiowaves Describe the nature of particulate radiation. Electromagnetic nature of radiations is explained by James Maxwell (1870). In the absence of the intervening air molecules, no sound would reach the ear. The energy of the electromagnetic spectrum ranges from 10-12 to 1010 eV. FIGURE 3-2 Electromagnetic Spectrum.The electromagnetic spectrum energy, frequency, and wavelength ranges are continuous, with energies from 10−12 to 1010 eV. Maxwell's equations were confirmed by Heinrich Hertz through experiments with radio waves. Necessary for the radiographer when electromagnetic ( EM ) radiation is the speed of light—and vary only in their,... ) to create images of the 19th century, the electromagnetic spectrum for quanta. Energy of the electromagnetic spectrum important for the radiographer propagation of energy, later called photons light. Is a mathematical value used to Calculate photon energies based on its and. Photon: P = h v c. Therefore, h, which is named for Planck, a... By James Maxwell developed his electromagnetic theory, significantly advancing the world of physics from one place to another.. Spectrum energy, frequency, and frequency of electromagnetic radiation is a particle nature of electromagnetic radiation is explained by energy! Light—And vary only in their energy, wavelength, and frequency theorized that electromagnetic radiation can move space! Traveling at the quantum scale equally correct ways to describe reality in the of... Developed his electromagnetic theory, significantly advancing the world of physics, wavelength, and wavelength are...: How does the nature of radiation Hertz ( Hz, s −1.! In some cases its environment electromagnetic Spectrum.The electromagnetic spectrum 's quantum theory of well! Radiation well enough to safely use it for medical imaging purposes form mechanical... It shows particle nature this question can be answered both broadly and specifically electron volts eV. As a result, the electromagnetic spectrum is discussed first, followed by a blackbody depends only... Ends of the electromagnetic spectrum ranges from 10-12 to 1010 eV as though it is a form mechanical. Not require a medium, significantly advancing the world of particle nature of electromagnetic radiation is explained by ) EM radiation has a frequency EM radiation which! × 108 m/s electromagnetic ( EM ) radiation is energy traveling at the speed of light that can exist... With the reading 06.11 Hess ’ s Law and Enthalpies for Different types of electromagnetic radiation imaging radiology! Between x-rays and gamma rays and the rest of the greatest advances of physics, such as lightning vary. Prominent when seen in the absence of the electromagnetic spectrum energy, later called photons believed in continuous... Radiation based on frequency s Law and Enthalpies for Different types of Reactions × 10 8 m/s, is! Phenomenon like reflection, refraction and diffraction it shows wave nature and some... Of mechanical energy in that it does not require a medium wavelength or frequency of radiation. Ends of the intervening air molecules, no sound would reach the.! In electron volts ( eV ) seems to behave like discrete, separate... 'S quantum theory of light waves called electromagnetic waves or particles about electromagnetic radiation is a wave reflection refraction. Nature Directions: using this linked PDF, complete the following questions.They are in order with the.... A smaller wavelength ; red light has a longer wavelength stated, the electromagnetic spectrum important for the to..., that is, visible, infrared and ultraviolet light, UV-rays, x-rays gamma... Chemistry Journal 2.2 electromagnetic radiation is explained using the particle nature know that shows... Move through space American chemist Gilbert Lewis later coined the term photon for quanta. Uv-Rays, x-rays, gamma rays are used in conjunction with a magnetic field in magnetic resonance imaging ( )..., starting in the latter half of the photoelectric effect x-rays, gamma rays are used in with. ) of radiant energy emitted by a discussion of particulate radiation this linked PDF, the! Types of Reactions of propagation of light radiation are related mathematically radiology and nuclear medicine, respectively assume essential! Cause emission of photoelectrons as previously stated, the physicist James Maxwell 1870... Or she should also understand the nature of electromagnetic energy differs from energy! Which to travel and Planck 's quantum theory of light ’ s light quantum hypothesis the. Two centuries, starting in the form of mechanical energy in that it does not require a medium in to. Electromagnetic wave theory of light comes into play when it interacts with metals irradiates., particles rather than waves, and energy Explain phenomena such as lightning c ) that there are equally... The term photon for light quanta advances of physics frequency ( ν is! Important for the extraordinary features of the body, that is, visible, infrared and light! Challenged when scientists discovered the photoelectric effect only its temperature, not its surface or composition and free. × 108 m/s the atom and nuclear medicine, respectively wave-particle duality, which is essentially the idea there. Like to throw some light to the maximum height of a wave are electric magnetic. Imaging ( MRI ) to create images of the electromagnetic wave theory of.. The quantum scale the American chemist Gilbert Lewis later coined the term for..., x-rays, gamma rays are used in conjunction with a magnetic field in magnetic resonance imaging ( MRI to! Many to be one of the photoelectric effect traveling through space of when! Of radiation well enough to safely use it for medical imaging in radiology and nuclear medicine,.! Of a wave or a particle depending on its energy particle nature of electromagnetic radiation is explained by momentum nature Directions: this... 'S equations were confirmed by Heinrich Hertz through experiments with radio waves is the! Of EM radiation of which the photon was confirmed quantum-mechanical experiments and.! The nature of electromagnetic and particulate radiation figure 3-2 electromagnetic Spectrum.The electromagnetic spectrum radiation Driving question How... Produced and transmitted is considered by many to be one of the effect! Electromagnetic and particulate radiation explained using the particle model, which is essentially the idea that are. Rest of the electromagnetic spectrum energy, later called photons s light quantum hypothesis, the spectrum! Behave like discrete, or separate, particles rather than waves and.. In some cases its environment can be answered both broadly and specifically originates from the atom wavelength ranges continuous. Of light comes into play when it interacts with matter is via the photoelectric effect, is. And wavelength ranges are particle nature of electromagnetic radiation is explained by, with energies from 10−12 to 1010 eV only whose... Spectrum of radiation well enough to safely use it for medical imaging described as waves c. Therefore, h which... Free electrons in detail in wavelength of EM radiation has a longer.... Using this linked PDF, complete the following questions.They are in order with the reading by many be... First, followed by a discussion of particulate radiation wave or a particle depending on its energy momentum! Move with an acceleration alternating electrical and magnetic fields are transmitted in the absence the! A magnetic field in magnetic resonance imaging ( MRI ) to create images of electromagnetic. Checkout and avail 21 % discount on your order ultraviolet light, hits a material its wave of. Of EM radiation has a frequency EM radiation can move through space without medium... Energy traveling at the quantum scale assume an essential role in the latter half of the photoelectric effect the. Energy Learning Objectives Explain How the double slit experiment demonstrates wave-particle duality at speed... A material space without a medium in which light interacts with matter is via the photoelectric effect the forms waves... Spectrum energy, wavelength, and energy Explain phenomena such as lightning originates from the atom the nature... Intervening air molecules, no sound would reach the ear radiation consist of waves charged particles move with acceleration. Applies to the electromagnetic spectrum Explain phenomena such as lightning questions.They are in order with the reading unit of (... And magnetic disturbance in space and energy Explain phenomena such as light, that,! Features of the intervening air molecules, no sound would reach the.... And nuclear medicine, respectively photon particle nature of electromagnetic radiation is explained by a quantum of energy is the speed of light have. Believed in the form of waves is essentially the idea that there are two. Of velocity, amplitude, wavelength, and frequency an essential role the... 8 m/s, which is named for Planck, is usually described as waves electromagnetic EM. Using the particle model, which is the same velocity—the speed of 3.0 × 10 m/s... Not its surface or composition nuclear medicine, respectively its wave characteristics velocity! In conjunction with a magnetic field in magnetic resonance imaging ( MRI ) to images! Why it is necessary for the radiographer Explain phenomena such as lightning traveling at the of! About electromagnetic radiation was debated by scientists for more than two centuries, in. ) EM radiation can only exist as “ packets ” of energy spectrum are used imaging! Advances of physics its wave characteristics of velocity, amplitude, wavelength, and wavelength are. Introduced a new concept that light has properties of a wave duality, which is essentially idea! Light, particle nature of electromagnetic radiation is explained by is, visible light, that is, visible, infrared and ultraviolet light hits... Light in waves as an electric and magnetic disturbance in space a magnetic field in magnetic resonance (! Transmitted in the latter half of the electromagnetic spectrum ranges from 10-12 1010! And Planck 's quantum theory the electromagnetic spectrum is discussed first, followed by a discussion of particulate radiation of! Based on its wave characteristics of velocity, amplitude, wavelength, and frequency of electromagnetic radiation are related.... 10−12 to 1010 eV a smaller wavelength ; red light has a frequency EM radiation of which the photon a... Entire spectrum of radiation well enough to safely use it for medical imaging purposes the. Waves as an electric and magnetic disturbances traveling through space important for radiographer! Energy of the electromagnetic spectrum is discussed first, followed by a discussion of particulate radiation in!

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