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. An electromagnetic wave has dual (wave–particle) nature. Maxwell suggested that when an electrically charged particle moves under acceleration that time alternating electrical and magnetic fields are produced which helps the particle in propagation. It was experimentally confirmed by German Physicist Heinrich Hertz. ≫ de Broglie wavelength : The de Broglie wavelength associated with a moving particle is related to its momentum as de Broglie wavelength, where m is the mass of the particle, v is the velocity of the particle, p is the momentum of the particle. Contents. Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 5 Comments Einstein in 1905 suggested that light has dual nature, i.e. As the wavelength increases, frequency decreases and as the frequency increases wavelength decreases. wave nature as well as particle nature. CBSE Class 11 Chemistry Atomic Structure– Get here the Notes for CBSE Class 11 Chemistry Atomic Structure. This video is highly rated by Class 11 students and has been viewed 3496 times. Wavelength and frequency of a wave are inversely proportional. Properties of Cathode Rays (i) Cathode rays are not electromagnetic rays. This ends our coverage on the topic “Electromagnetic Radiation: Wave Nature”. Different regions of the electromagnetic spectrum are identified by various names. Pro Lite, CBSE Previous Year Question Paper for Class 10, CBSE Previous Year Question Paper for Class 12. 6. 1. Photoelectric Effect The phenomenon of emission of photoelectron from the surface of metal, when a light beam of suitable frequency is incident on it, is called photoelectric effect. Find the energy of photon ? Dual Nature of Matter and Radiation. Frequency – The number of waves that pass a given point in one second is called frequency. Planck's constant is a physical constant named after Max Planck. This is possible only when you have the best CBSE Class 11 Chemistry study material and a smart preparation plan. These fields are transmitted in the forms of waves called electromagnetic waves or electromagnetic radiation. This article is beneficial for class 12 students. Cathode ray discharge tube experiment: A cathode ray discharge tube madeof glass is taken with two electrodes. Quiz complete. Register free for online tutoring session to clear your doubts. Dual Nature of Radiation and Matter (chapter 11) Cathode Rays Cathode rays are the stream of fast moving electrons. He suggested that when electrically charged particles move with an acceleration alternating electrical and magnetic fields are produced and transmitted. This article provides you the revision notes on Class 11 Chemistry: Chapter- Structure of Atom. The energy of the photon is related to the wavelength of electromagnetic radiation according to: Planck's constant. The minimum energy needed by an electron to come out from a metal surface is known as “work function” of the metal. Vedantu academic counsellor will be calling you shortly for your Online Counselling session. Velocity – The velocity of electromagnetic wave in vacuum is 3 × 108 m/s. As you can see in the above figure of the electromagnetic spectrum that as the wavelength of a radiation increases its frequency decreases. Offer ending soon! They have one negative charge. Dismiss, 01.05 Properties of Matter and their Measurement, 1.05 Properties of Matter and their Measurement, 01.06 The International System of Units (SI Units), 01.08 Uncertainty in Measurement: Scientific Notation, 1.08 Uncertainty in Measurement: Scientific Notation, 01.09 Arithmetic Operations using Scientific Notation, 1.09 Arithmetic Operations Using Scientific Notation, 01.12 Arithmetic Operations of Significant Figures, 1.12 Arithmetic Operations of Significant Figures, 01.17 Atomic Mass and Average Atomic Mass, 02.22 Dual Behaviour of Electromagnetic Radiation, 2.22 Dual Behaviour of Electromagnetic Radiation, 02.23 Particle Nature of Electromagnetic Radiation: Numericals, 2.23 Particle Nature of Electromagnetic Radiation - Numericals, 02.24 Evidence for the quantized Electronic Energy Levels: Atomic Spectra, 2.24 Evidence for the Quantized Electronic Energy Levels - Atomic Spectra, 02.28 Importance of Bohr’s Theory of Hydrogen Atom, 2.28 Importance of Bohr’s Theory of Hydrogen Atom, 02.29 Bohr’s Theory and Line Spectrum of Hydrogen – I, 2.29 Bohr’s Theory and Line Spectrum of Hydrogen - I, 02.30 Bohr’s Theory and Line Spectrum of Hydrogen – II, 2.30 Bohr’s Theory and Line Spectrum of Hydrogen - II, 02.33 Dual Behaviour of Matter: Numericals, 2.33 Dual Behaviour of Matter - Numerical, 02.35 Significance of Heisenberg’s Uncertainty Principle, 2.35 Significance of Heisenberg’s Uncertainty Principle, 02.36 Heisenberg’s Uncertainty Principle: Numericals, 2.36 Heisenberg's Uncertainty Principle - Numerical, 02.38 Quantum Mechanical Model of Atom: Introduction, 2.38 Quantum Mechanical Model of Atom - Introduction, 02.39 Hydrogen Atom and the Schrödinger Equation, 2.39 Hydrogen Atom and the Schrödinger Equation, 02.40 Important Features of Quantum Mechanical Model of Atom, 2.40 Important Features of Quantum Mechanical Model of Atom, 03 Classification of Elements and Periodicity in Properties, 03.01 Why do we need to classify elements, 03.02 Genesis of Periodic classification – I, 3.02 Genesis of Periodic Classification - I, 03.03 Genesis of Periodic classification – II, 3.03 Genesis of Periodic Classification - II, 03.04 Modern Periodic Law and Present Form of Periodic Table, 3.04 Modern Periodic Law and Present Form of Periodic Table, 03.05 Nomenclature of Elements with Atomic Numbers > 100, 3.05 Nomenclature of Elements with Atomic Numbers > 100, 03.06 Electronic Configurations of Elements and the Periodic Table – I, 3.06 Electronic Configurations of Elements and the Periodic Table - I, 03.07 Electronic Configurations of Elements and the Periodic Table – II, 3.07 Electronic Configurations of Elements and the Periodic Table - II, 03.08 Electronic Configurations and Types of Elements: s-block – I, 3.08 Electronic Configurations and Types of Elements - s-block - I, 03.09 Electronic Configurations and Types of Elements: p-blocks – II, 3.09 Electronic Configurations and Types of Elements - p-blocks - II, 03.10 Electronic Configurations and Types of Elements: Exceptions in periodic table – III, 3.10 Electronic Configurations and Types of Elements - Exceptions in Periodic Table - III, 03.11 Electronic Configurations and Types of Elements: d-block – IV, 3.11 Electronic Configurations and Types of Elements - d-block - IV, 03.12 Electronic Configurations and Types of Elements: f-block – V, 3.12 Electronic Configurations and Types of Elements - f-block - V, 03.18 Factors affecting Ionization Enthalpy, 3.18 Factors Affecting Ionization Enthalpy, 03.20 Trends in Ionization Enthalpy – II, 04 Chemical Bonding and Molecular Structure, 04.01 Kossel-Lewis approach to Chemical Bonding, 4.01 Kössel-Lewis Approach to Chemical Bonding, 04.03 The Lewis Structures and Formal Charge, 4.03 The Lewis Structures and Formal Charge, 04.06 Bond Length, Bond Angle and Bond Order, 4.06 Bond Length, Bond Angle and Bond Order, 04.10 The Valence Shell Electron Pair Repulsion (VSEPR) Theory, 4.10 The Valence Shell Electron Pair Repulsion (VSEPR) Theory, 04.12 Types of Overlapping and Nature of Covalent Bonds, 4.12 Types of Overlapping and Nature of Covalent Bonds, 04.17 Formation of Molecular Orbitals (LCAO Method), 4.17 Formation of Molecular Orbitals (LCAO Method), 04.18 Types of Molecular Orbitals and Energy Level Diagram, 4.18 Types of Molecular Orbitals and Energy Level Diagram, 04.19 Electronic Configuration and Molecular Behavior, 4.19 Electronic Configuration and Molecular Behaviour, Chapter 4 Chemical Bonding and Molecular Structure - Test, 05.02 Dipole-Dipole Forces And Hydrogen Bond, 5.02 Dipole-Dipole Forces and Hydrogen Bond, 05.03 Dipole-Induced Dipole Forces and Repulsive Intermolecular Forces, 5.03 Dipole-Induced Dipole Forces and Repulsive Intermolecular Forces, 05.04 Thermal Interaction and Intermolecular Forces, 5.04 Thermal Interaction and Intermolecular Forces, 05.08 The Gas Laws : Gay Lussac’s Law and Avogadro’s Law, 5.08 The Gas Laws - Gay Lussac’s Law and Avogadro’s Law, 05.10 Dalton’s Law of Partial Pressure – I, 05.12 Deviation of Real Gases from Ideal Gas Behaviour, 5.12 Deviation of Real Gases from Ideal Gas Behaviour, 05.13 Pressure -Volume Correction and Compressibility Factor, 5.13 Pressure - Volume Correction and Compressibility Factor, 06.02 Internal Energy as a State Function – I, 6.02 Internal Energy as a State Function - I, 06.03 Internal Energy as a State Function – II, 6.03 Internal Energy as a State Function - II, 06.06 Extensive and Intensive properties, Heat Capacity and their Relations, 6.06 Extensive and Intensive Properties, Heat Capacity and their Relations, 06.07 Measurement of ΔU and ΔH : Calorimetry, 6.07 Measurement of ΔU and ΔH - Calorimetry, 06.08 Enthalpy change, ΔrH of Reaction – I, 6.08 Enthalpy change, ΔrH of Reaction - I, 06.09 Enthalpy change, ΔrH of Reaction – II, 6.09 Enthalpy Change, ΔrH of Reaction - II, 06.10 Enthalpy change, ΔrH of Reaction – III, 6.10 Enthalpy Change, ΔrH of Reaction - III. In this article dual nature of matter and radiation, all the … 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. Electromagnetic waves do not require any medium. This video is highly rated by Class 11 … 4. diffraction etc., but it could not explain the following. Greater the magnitude of the charge on the particle, greater is the interaction with the electric or magnetic field and thus greater is the deflection. The velocity of a wave is the product of multiplication of wavelength and frequency. Different types of electromagnetic waves differ from one another in wavelength or frequency. 11.3.2 Hallwachs’ and Lenard’s observations. To represent electromagnetic radiation, various kinds of units are used. Period – It is the amount of time a wave takes to complete or travel one wavelength. Thermodynamics Some of the important topics covered in this part are: Atom and its subatomic particles, Rutherford’s nuclear model of atom, Thomson’s model of atom, electromagnetic radiations and electromagnetic spectrum. Electromagnetic radiations travel in space and vacuum through oscillating electrical and magnetic fields generated by their particles. Mass 9.11 x 10 -31kg 1.672614 x 10 -27kg 1.67492 x10 -27kg ... CBSE sample papers, Question papers, Notes for Class 6 to 12 Please Visit www.ncerthelp.com For Video lectures of all subjects Class 9 to 12 . Its SI unit is Hertz which is represented as Hz. (ii) Cathode rays are deflected by electric field and magnetic field. 3. It can be expressed as follows –. It is represented by ‘T’ and measured in seconds. Electromagnetic wave theory was successful in explaining the properties of light such as interference. There is no charge on X-ray thus these are not deflected by the electric field and magnetic field. On the other hand, photoelectric effect supported particle’s nature … This is possible only when you have the best CBSE Class 11 Chemistry study material and a smart preparation plan. This is a revolutionary concept of physics that tells that everything is a wave and particle. And with the help of either wave nature or particle nature, we can explain the various phenomenon which we will study in physics. These quick notes are prepared strictly according to the latest CBSE syllabus for Class 11. These rays are produced in a discharge tube at a pressure below 0.01 rom of mercury. 06.11 Hess’s Law and Enthalpies for Different Types of Reactions. Other characteristics of a wave are amplitude and period. It is represented by \[\lambda\]. The nature of the experiment determines whether a wave or a particle description is best suited for understanding the experimental result. Dual Nature of Radiation and Matter class 12 notes- This is Chapter 11 of Class 12th Physics. Maxwell’s equation of electromagnetism and Hertz experiments on the generation and detection of electromagnetic waves in 1887 strongly established the wave nature of light. Let’s start the introduction of “Dual Nature of Matter and Radiation”. Bookmark added to your notes. Electromagnetic radiation is a flow of energy in which electrical and magnetic fields vary simultaneously. Topics and Subtopics in NCERT Solutions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter: Section Name Topic Name 11 Dual Nature of Radiation and Matter 11.1 Introduction 11.2 Electron Emission 11.3 Photoelectric Effect 11.4 Experimental Study of Photoelectric Effect 11.5 Photoelectric Effect and Wave Theory of Light 11.6 Einstein’s Photoelectric Equation: Energy […] (ii) Cathode rays are deflected by electric field and magnetic field. Electromagnetic nature of radiations is explained by James Maxwell (1870). 1.Dual Nature of Radiation Wave theory of electromagnetic radiation explained the phenomenon of interference, diffraction and polarisation. Some properties of electromagnetic radiation, such as its refraction when it passes from one medium to another are explained best by describing light as a wave. Properties of Cathode Rays (i) Cathode rays are not electromagnetic rays. The relationship of frequency and energy has been shown above in the figure of the electromagnetic spectrum as well. Lect 03: Wave Nature of Matter- De Broglie hypothesis. It is the amount of time a wave takes to complete or travel one wavelength. SYNOPSIS. Hurry! Radio waves, microwaves, infrared light, visible light, ultraviolet light, X-rays and gamma rays are all electromagnetic radiations. Dual Nature of Radiation and Matter Class 12 CBSE Revision Notes. Maxwell suggested that when an electrically charged particle moves under acceleration that time alternating electrical and magnetic fields are produced which helps the particle in propagation. Click here. Dual Nature of Radiation and Matter class 12 notes- This is Chapter 11 of Class 12th Physics. Matter waves- wave nature of particles, de Broglie relation. Class 11 Chemistry Structure of Atom Black body radiation and Photoelectric effect Particle nature of Electromagnetic radiations : There were two important phenomenon that couldn’t be explained by considering Light with wave character: We hope after reading this article you will be able to solve problems based on the topic. You must sign in or sign up to start the quiz. By doing so, you will be able to access free PDFs of NCERT Solutions as well as Revision notes, Mock Tests and much more. X-ray is electromagnetic radiation it shows particle and waves both nature. Electromagnetic radiation is radio waves, gamma-rays, visible light, and all the other components of the electromagnetic spectrum. Louis de Broglie, a French physicist, in 1924, suggested that all microscopic as well as macroscopic objects possesses dual character. The velocity of electromagnetic wave in vacuum is 3 × 10, m/s. The wavelength of the wave associated with any material particle was calculated as: In case of photon, if it is assumed to have a wave character, its energy is given by E = hν where ν is the frequency of the wave and h is Pla… Properties of Cathode Rays (i) Cathode rays are not electromagnetic rays. As you can see in the above figure of the electromagnetic spectrum that as the wavelength of a radiation increases its frequency decreases. Electromagnetic radiations travel in space and vacuum through oscillating electrical and magnetic fields generated by their particles. Simple and general properties of electromagnetic radiations are given below –, Oscillating charged particles produce electric and magnetic fields. The wave associated with the particle is called a matter wave or a de Broglie wave. 18 b. These are the revision notes . And the corresponding wave related to that matter is called matter wave 11.4 Experimental Study of Photoelectric Effect. The spectrum of electromagnetic radiation is given below –. Electromagnetic waves show dual nature. Electromagnetic spectrum includes radio waves (FM and AM), microwaves, infrared lights, ultraviolet lights, X – rays, gamma rays and visible light. They are charge less thus not deflected by fields. NCERT Books ; Home » Class 11 » Chemistry » Structure Of Atom » Dual Nature of Matter and Radiation. Would you like to submit your quiz result to the leaderboard. These oscillating electrical and magnetic fields are perpendicular to each other and to the direction of propagation of the wave. Be humble be teachable and always keep learning. ( Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter ) www.free-education.in is a platform where you can get pdf notes from 6th to 12th class notes, General Knowledge post, Engineering post, Career Guidelines , English Speaking Trick , How to crack interview and lots more. Dual Nature of Radiation and Matter Class 12 Physics MCQs Pdf. The concepts should be clear which will help in faster Watch Planck's Quantum Theory Videos tutorials for CBSE Class 11-science Chemistry. 5. Hence you can not start it again. It is the distance from the center line to the peak or maximum vertical displacement of the wave to the middle of the wave. It was experimentally confirmed by German Physicist Heinrich Hertz. The theory of electromagnetic radiation was given by Scottish scientist Sir James Clerk Maxwell in the early 1870s. 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