These rays are produced in a discharge tube at a pressure below 0. Class 12 ncertcbse board notes for dual nature of matter and radiation. A light of wavelength 2000 a o falls on a metallic surface of work function 5. Light generate interference pattern in youngs double slit experiment wh. Dual nature of matter and radiation introdcution light exhibit dual nature wave nature and particle nature. Ncert solutions class 12 physics dual nature of radiation and matter part 2 class 12 physics book solutions are available in pdf format for free download. Physics question bank for entrance exams subscribe for latest updates for jee main, aipmt and other entrance exam prepration, question bank for physics dual nature of matter and radiation is given below. Ncert solution of class 12 physics chapter 11 eases your work of notes preparation and revision. The elementary particle in an atom having negative charge of magnitude 1.
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One kind is particulate radiation, which involves tiny fastmoving particles that have both energy and mass. In phenomena like interference, diffrection etc wave nature is exhibited. Notes on dual nature of radiation and matter simplylearnt. These ncert book chapter wise questions and answers are very helpful for cbse board exam.
Photon concept of electromagnetic radiation in interaction of radiation with matter, radiation behaves as if it is made up of particles called photons. Cbse class 12 physics revision notes for chapter 11 dual. Compton scattering by free electrons compton scattering, like thomson scattering, is the interaction between electromagnetic radiation and a free electron, but in this case there is an energy transfer to the electron both the photon and the electron must be considered as particles. Notes 301 dual nature of radiation and matter physics module 7 atoms and nuclei zstate the laws of photoelectric emission. There are four types of electron emission, namely, thermionic emission, photoelectric emission, field emission and secondary emission.
Class 12 physics notes chapter 11 dual nature of radiation pdf. Important notes of physics for neet, jee for dual nature of radiation and matter are useful for all aspirants preparing for entrance exams including jee, neet. Class 12 physics chapter 11 revision, dual nature of radiation and matter class 12 revision. If the electrons are not observed, there exist a superposition of multiple quantum states, in which the electron can be in. These ncert solutions for class 12 of physics subject includes detailed answers of all the questions in chapter 11 dual nature of radiation and matter provided in ncert book which is prescribed for class 12 in schools. Dual nature of radiation and matteri physics beckons. The initial interaction of the photon ionizes one atom. The dual nature of matter and the dual nature of radiation were revolutionary concepts of physics. Word nucleon is used for a proton or a neutron in the nucleus. Board notes offered by thinkiit is helpful in securing good marks in class 12. On the other hand, in photoelectric effect and compton effect, the radiation behaves as if it is made up of particles called the photons.
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The quantitative study of the interaction of electromagnetic radiation with matter can be done using a simple semiclassical model. Waveparticle duality of radiation and matter pdf download englishus transcript pdf that is our proof that the the following content is provided by mit opencourseware under a. Dual nature of matter and radiation get complete dual nature of matter and radiation study material notes including formulas, equations, definition, books. Physics notes class 12 chapter 11 dual nature of radiation and matter cathode rays cathode rays are the stream of fast moving electrons. Physics notes class 12 chapter 11 dual nature of radiation. Cbse class 12 physics dual nature of radiation and. The dual waveparticle nature of light is discussed clearly in this and.
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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 schoolbased annual examinations. Thomson and sir william crookes studied the discharge of electricity through gases. The dual nature of radiation here basically mean the wave nature and the particle nature. Explain davisson and germer experiment to v erify the wave nature ot elle ctrons. Properties of cathode rays i cathode rays are not electromagnetic rays. Consider a 50kev xray photon undergoing a photoelectric interaction. Explain the,e uect of increase of i frequency ii intensity of the incident radiation on plhoto electrons emitted by a metal. Chapter 11 dual nature of radiation and matter byjus. Get here ncert solutions for class 11 physics chapter 12.
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