Velocity Physics Notes Class 12 Chapter 11 Dual Nature of Radiation and Matter Cathode Rays Cathode rays are the stream of fast moving electrons. 2. Watch Planck's Quantum Theory Videos tutorials for CBSE Class 11-science Chemistry. This document is highly rated … • There are four types of electron emission, namely, Thermionic Emission, Photoelectric Emission, Field Emission and secondary emission. Conversely, under some physical circumstances electromagnetic radiation acts as a wave, and under other physical circumstances, radiation acts as a beam of photons. CBSE class 12 chapter wise notes based on chapter 11, Dual Nature of Radiation and Matter, of class 12 NCERT Physics textbook are available in this article. Pro Lite, Vedantu In this article dual nature of matter and radiation, all the … Physics Notes by Akhil. To see other non – visible regions of the spectrum, you will require special instruments. The relationship of frequency and wavelength has been shown above in the figure of the electromagnetic spectrum as well. It is represented by. And with the help of either wave nature or particle nature, we can explain the various phenomenon which we will study in physics. SYNOPSIS. Albert Einstein first showed in 1905 that light or electromagnetic radiation must also be considered as particle like character, localized in packets of discrete energy. We will learn the dual nature of light and electron, quantum mechanics, quantum numbers. Dual Nature of Matter and Radiation. Although as its wavelength decreases, its energy increases. They are charge less thus not deflected by fields. CBSE class 12 chapter wise notes based on chapter 11, Dual Nature of Radiation and Matter, of class 12 NCERT Physics textbook are available in this article. It is represented by ‘T’ and measured in seconds. It is represented by v. Its SI unit is Hertz which is represented as Hz. Radiation has dual nature, wave, and particle. As the wavelength increases, frequency decreases and as the frequency increases wavelength decreases. It can be expressed as follows –. Class 11; Class 12; NCERT Solutions. Thermodynamics Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation- particle nature of light. Pro Lite, NEET ≫ 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. 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. The wave nature of light can be observed in the phenomena of interference, diffraction and polarisation. 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: Candidates who are ambitious to qualify the CBSE Class 11 Chemistry with good score can check this article for Notes. CBSE Class 11 Chemistry Atomic Structure– Get here the Notes for CBSE Class 11 Chemistry Atomic Structure. – In terms of kinetic energy K, de Broglie wavelength is given by Find more @learnfatafat Download CBSE Class 12 Physics Dual Nature Of Matter and Radiation chapter notes and important questions pdf, Physics revision notes, mind maps, formulas, examination notes, sure shot questions, CBSE Class 12 Physics Dual Nature Of Matter & Radiation chapter notes and important questions. Bookmark added to your notes. They can travel in vacuum or space. Lect 03: Wave Nature of Matter- De Broglie hypothesis. We hope after reading this article you will be able to solve problems based on the topic. He suggested that when electrically charged particles move with an acceleration alternating electrical and magnetic fields are produced and transmitted. Candidates who are ambitious to qualify the CBSE Class 11 Chemistry with good score can check this article for Notes. Wavelength and frequency of a wave are inversely proportional. It is represented by \[\lambda\]. Larger the amplitude, higher the energy. Electromagnetic radiation is a flow of energy in which electrical and magnetic fields vary simultaneously. 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. These quick notes are prepared strictly according to the latest CBSE syllabus for Class 11. Particle Nature of Light × Sorry!, This page is not available for now to bookmark. Electromagnetic radiation is a flow of energy in which electrical and magnetic fields vary simultaneously. Matter waves-wave nature of particles; de Broglie relation; Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained). Jan 05, 2021 - Wave Nature of Electromagnetic Radiation, Absorption Class 11 Notes | EduRev is made by best teachers of JEE. X-ray is electromagnetic radiation it shows particle and waves both nature. The nature of the relationship between the frequency (the number of oscillations per unit time) and wavelength (the length of each oscillation) of light becomes apparent when studying the broad range of the electromagnetic radiation spectrum. These fields are transmitted in the forms of waves called electromagnetic waves or electromagnetic radiation. The best app for CBSE students now provides Dual Nature of Radiation and Matter class 12 Notes latest chapter wise notes for quick preparation of CBSE board exams and school-based annual examinations. Its SI unit is Hertz which is represented as Hz. Electromagnetic spectrum consists of various types of electromagnetic radiations which differ from one another in wavelength or frequency. Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 5 Comments Einstein in 1905 suggested that light has dual nature, i.e. A Photon of wavelength 4.0 × 10-7 m strikes on metal surface having work function 2.13 eV. E = hv = hc / λ. where, h = Planck’s constant = 6.63 x 10-34 j-s. E = energy of photon or quantum. While photoelectric effect and Compton effect involve energy and momentum transfer, radiation behaves as if it is made of a bunch of particles-photons show particle nature of a wave. Velocity – The velocity of electromagnetic wave in vacuum is 3 × 108 m/s. 11.4.1 Effect of intensity of light on photocurrent Planck's Quantum Theory ,Structure of Atom - Get topics notes, Online test, Video lectures, Doubts and Solutions for CBSE Class 11-science on TopperLearning. The wave associated with the particle is called a matter wave or a de Broglie wave. There are many more useful educational material which the students can download in pdf Chapter-11: Dual Nature of Radiation and Matter Dual nature of radiation; Photoelectric effect; Hertz and Lenard’s observations; Einstein’s photoelectric equation-particle nature of light. The velocity of electromagnetic wave in vacuum is 3 × 10, m/s. Dual Nature of Radiation and Matter Class 12 Chapter 11 Notes 1. Dual Nature of Radiation and Matter MCQ Questions with Answers Pdf Question 1. Pro Subscription, JEE 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. Photoelectric effect, Hertz and Lenard’s observations; Einstein’s photoelectric equation; particle nature of light. Click here. Thus, frequency and energy are directly proportional. Simple and general properties of electromagnetic radiations are given below –, Oscillating charged particles produce electric and magnetic fields. Other characteristics of a wave are amplitude and period. It is represented by \[\lambda\]. Period – It is the amount of time a wave takes to complete or travel one wavelength. Such atomic matter is also sometimes. A definition of"matter" based on its physical and chemical structure is: matter is made up of atoms. You have already completed the quiz before. Dual Nature Of Matter And Radiation Class 12 Notes Pdf Download • The elementary particle in an atom having negative charge of magnitude 1.6 x 10-19 C and mass of 9.1 x 10-19 kg is called electron. And the corresponding wave related to that matter is called matter wave Dec 14, 2020 - Fun Video: Particle Nature of Electromagnetic Radiation Class 11 Video | EduRev is made by best teachers of Class 11. The nature of the experiment determines whether a wave or a particle description is best suited for understanding the experimental result. On the other hand, photoelectric effect supported particle’s nature … To see other non – visible regions of the spectrum, you will require special instruments. Dual Nature of Matter and Radiation. Electromagnetic waves do not require any medium. 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. 11.3 Photoelectric Effect. Solve free mcqs on particle nature of electromagnetic radiation class 11 chemistry, helpful for CBSE, NEET / AIPMT, JEE preparation. Let’s start the introduction of “Dual Nature of Matter and Radiation”. Its wave nature is represented by its velocity, frequency and wavelength. Electromagnetic spectrum includes radio waves (FM and AM), microwaves, infrared lights, ultraviolet lights, X – rays, gamma rays and visible light. Light of frequency 1.9 times the threshold frequency is incident on a photosensitive material. Dual Nature of Radiation and Matter class 12 notes- This is Chapter 11 of Class 12th Physics. Hence you can not start it again. The topics and sub-topics covered in Dual Nature of Radiation and Matter Class 12 Notes are: 11.1 Introduction. 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 […] 02.25 Emission and Absorption Spectra 2.25 Emission and Absorption Spectra. As stated in the above section, electromagnetic waves are of many types and collectively they form electromagnetic spectrum. Moreover, the chapter covers various topics that explain a lot of things about the properties, effects, emission, and nature of radiation and matter. Dual Nature of Radiation and Matter (chapter 11) Cathode Rays Cathode rays are the stream of fast moving electrons. Nature $\alpha $-rays are doubly ionized helium atom having 2 units of positive charge and 4 units of mass. We are giving a brief of these as well for your better understanding. 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… Besides, photons assume an essential role in the electromagnetic propagation of energy. CBSE Class 12 Physics Revision Notes Chapter-11 Dual Nature of Matter and Radiation Electron emission: The phenomenon of emission of electrons from the surface of a metal. Dual Nature of Radiation and Matter Important Questions for CBSE Class 12 Physics Matter Wave. Electromagnetic nature of radiations is explained by James Maxwell (1870). It is shown in the figure below –. In terms of a stream of mass-less particles, called photons, each travelling at the speed of light in a wave-like pattern, electromagnetic radiation can be represented. 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. These are the revision notes . Louis de Broglie, a French physicist, in 1924, suggested that all microscopic as well as macroscopic objects possesses dual character. Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained). ... • Nature of Electromagnetic Radiation (Electromagnetic Wave Theory) This theory was put forward by James Clark Maxwell in 1864. The energy of the photon is related to the wavelength of electromagnetic radiation according to: Planck's constant. diffraction etc., but it could not explain the following. Planck's constant is a physical constant named after Max Planck. CBSE Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Notes in PDF are available for free download in myCBSEguide mobile app. Class 11 Physics Physical World Fundamental Forces in nature The forces which we see in our day to day life like muscular, friction, forces due to compression and elongation of springs and strings, fluid and gas pressure, electric, magnetic, interatomic and intermolecular forces are derived forces as their originations are due to a few fundamental forces in nature. Properties of Cathode Rays (i) Cathode rays are not electromagnetic rays. It represents the height of the wave. Dual Nature of Radiation and Matter class 12 notes- This is Chapter 11 of Class 12th Physics. (ii) Cathode rays are deflected by electric field and magnetic field. These rays are produced in a discharge tube at a pressure below 0.01 rom of mercury. Electromagnetic waves travel through the vacuum at a speed of 3 x 10. If you are looking for solutions of NCERT Textbook problems based on this topic, then log on to Vedantu website or download Vedantu Learning App. Register free for online tutoring session to clear your doubts. This is a revolutionary concept of physics that tells that everything is a wave and particle. Frequency – The number of waves that pass a given point in one second is called frequency. As we know –. Nucleus was discovered by Rutherford in 1911. This video is highly rated by Class 11 students and has been viewed 3496 times. The concepts should be clear which will help in faster To assist you with that, we are here with notes. Sorry!, This page is not available for now to bookmark. This video is highly rated by Class 11 … This is a revolutionary concept of physics that tells that everything is a wave and particle. ( 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. Reasoning that radiation and matter should be symmetrical in nature, Louis Victor de Broglie attributed a wave-like character to matter (material particles). 3. Dual Nature of Radiation and Matter Class 12 Physics MCQs Pdf. Wave nature of electromagnetic radiation is characterized by its following three properties –. 5. 11.3.1 Hertz’s observations. 11.3.2 Hallwachs’ and Lenard’s observations. 6. 11.4 Experimental Study of Photoelectric Effect. Cathode ray discharge tube experiment: A cathode ray discharge tube madeof glass is taken with two electrodes. It can be expressed as follows –. This article provides you the revision notes on Class 11 Chemistry: Chapter- Structure of Atom. It is the distance from the center line to the peak or maximum vertical displacement of the wave to the middle of the wave. Hence, the matter is said to possess dual nature, i.e., it has both the properties of a particle and as well as a wave. Download CBSE Class 12 Physics Dual Nature Of Matter And Radiation Notes Set A in pdf, Physics chapter notes, class notes mind maps formulas Revision Notes CBSE Class 12 Physics Dual Nature Of Matter And Radiation. They have one negative charge. Apply coupon WELCOME21 at checkout and avail 21% discount on your order. Electromagnetic radiation is radio waves, gamma-rays, visible light, and all the other components of the electromagnetic spectrum. Particle Nature of Electromagnetic Radiation. The distance of one full cycle of the oscillation is called wavelength or the distance between two adjacent crests or troughs of a wave is called the wavelength. Contents. Dual Nature of Radiation and Matter Class 12 Physics MCQs Pdf. Main & Advanced Repeaters, Vedantu Visible light is the only part which our eyes can see. In Physics wave-particle duality tells that everything is a wave takes to complete travel. Better understanding waves called electromagnetic waves travel through the vacuum at a below! Waves- wave nature ” James Clark Maxwell in 1864 be observed in the above section, waves. Refraction X-ray shows wave nature is represented by ‘ T ’ and measured in.. 12 notes- this is a wave or a de Broglie wave, oscillating charged move! 1.672614 x 10 -27kg 1.67492 x10 -27kg electrons were discovered using Cathode discharge... To Get better marks in examinations particles produce electric and magnetic fields generated by their particles be which... Structure is particle nature of electromagnetic radiation class 11 notes Matter is made up of Atoms last Updated on May 3, 2020 Mrs! 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