Class 12 ncertcbse board notes for dual nature of matter and radiation. These notes are combined with chapter12 atoms and chapter nuclei. This document is highly rated by class 12 students and has been viewed 2482 times. Online textbook table of contents chapter contents introduction and overview interaction types photon interactions photoelectric compton coherent scatter pair production electron interactions electron range linear energy transfer positron interactions 1 of 30. 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. Unlike x rays and gamma rays, some highenergy radiations travel at less than the speed of light. Physics question bank for entrance exam dual nature of. This is a complete set of notes of dual nature of radiation and matter which is a part of physics syllabus for neet, jee.
Hindi dual nature of matter and radiation unacademy plus. Dual nature of matter and radiation notes for iit jee. Chapter eleven dual nature of matternot to be republished. Cbse class 12 physics chapter 11 dual nature of radiation and matter notes in pdf are available for free download in mycbseguide mobile app. Dual nature of radiation and matter the maximum kinetic energy of photoelectron emitted from the surface of work function f due to incidence of light of frequency n is e. Dual nature of radiation, photoelectric effect hertz and lenards observations. Jan 11, 2018 dual nature of radiation and matter watch more videos at. Nature reveals a waveparticle dualityan ambiguity unchar acteristic of science. The light which is a form of radiation from the sun, also possess dual nature. For example a beam of electrons can be diffracted just like a beam of light or a water wave.
In phenomena like interference, diffrection etc wave nature is exhibited. Dual nature of matter and radiation neet physics mcqs, study. Khan academy is a nonprofit with the mission of providing a free, worldclass education for anyone, anywhere. Properties of cathode rays i cathode rays are not electromagnetic rays.
Two beams one of red light and other of blue light of the same intensity are incident on a metallic surface to emit photoelectrons which one of the two beams emits electrons of greater kinetic energy. Some of these were identified initially by their particulate nature and only later were shown to travel with wavelike character. Dual nature of radiation and matter watch more videos at. If the frequency of incident light is doubled, then maximum kinetic of emitted photon will be. All india free mock test for jee main attempt now subscribe to youtube channel for jee exam. The aim of present self learning module is to train the minds of the learners in. The coulomb interaction is longranged so the slowing down of the charged particles is most effective and is a continuous process. Dual nature of radiation and matter important points. It is followed by the introduction of quantum theory of radiation by max planck. Wave theory of electromagnetic radiations explained the phenomenon of interference, diffraction and polarization. These rays are produced in a discharge tube at a pressure below 0. Dual nature of matter and radiation geli question papers.
Mcqs on dual nature of matter and radiation for jee main and neet, test number 02 after you attempt the test, click. Jan 09, 2020 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. Important notes are also helpful for revision when you have less time and have to study many topics. Waveparticle duality postulates that all particles exhibit both wave and particle properties. Ncertcbse board notes for dual nature of matter and. Dual nature of radiation and matte electron emission metals have free electrons negatively charged particles that are responsible for their conductivity. You can also download notes in pdf format at end of the post. One kind is particulate radiation, which involves tiny fastmoving particles that have both energy and mass. Dual nature of radiation and matter class 12 in one shot full chapter revision gaurav. Dual nature of matter and radiation class 12 notes pdf. At the beginning of the twentieth century, scientists unravelled one of the bestkept secrets of nature the wave particle duality or the dual nature of matter and radiation. The notes are prepared by best faculties across india. Short notes on dual nature of matter and radiation download pdf.
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. Physics notes class 12 chapter 11 dual nature of radiation and matter cathode rays cathode rays are the stream of fast moving electrons. Important questions of dual nature of radiation and matter. Matter waves are a central part of the theory of quantum mechanics, being an example of waveparticle duality. 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. Photon concept of electromagnetic radiation in interaction of radiation with matter, radiation behaves as if it is made up of particles called photons. Xrays of wave length a, fall on a photo sensitive surface emitting electrons. Dual nature of radiation and matter for class 12 xii physics. If they get sufficient energy electrons can escape out of the metal surface. Feb 27, 2019 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.
Ncert solutions class 12 physics chapter 11 dual nature of. Neet ntanational eligibility cum entrance test medical. Board notes offered by thinkiit is helpful in securing good marks in class 12. The masses of all the samples are the same but the densities are different. Ncert solutions for class 12 physics chapter 11 dual nature. Questions on dual nature of matter and radiation mcqs multiple choice questions with answers on dual nature of matter and radiation for neet and jee main.
There are four types of electron emission, namely, thermionic emission, photoelectric emission, field emission and secondary emission. National eligibility cum entrance testug 2020 neetug2020 will be conducted by the central board of secondary education cbse, for admission to mbbsbds courses in india in medicaldental colleges run with the approval of medical council of indiadental council of india under the union ministry of health and family welfare, government of india except for the institutions established. Ncert solutions class 12 physics chapter 11 dual nature of radiation and matter pdf are provided here for free. This is a question on dual nature of matter and radiation. Further, the value of em was found to be independent of the nature of the materialmetal used as the cathode. Light seems to have a dual natureparticlelike in some situations, wavelike in.
Dual nature of matter and radiations part i youtube. Dual nature of radiation and matter class 12 notes physics. Neet physics dual nature of radiation and matter questions. Apr 22, 2019 get here ncert solutions for class 11 physics chapter 12. Explain the,e uect of increase of i frequency ii intensity of the incident radiation on plhoto electrons emitted by a metal. One example of this kind of radiation is the electron, first established as a negatively charged particle in 1897 by the english. Particulate radiation is primarily produced by disintegration of an unstable atom and includes alpha and beta particles. It is in accordance with law of conservation of energy. Thomson called them streams of negative corpuscles. Get to the point neet ntanational eligibility cum entrance test medical physics questions for your exams.
Dual nature of matter and radiation class 12 notes pdf download. 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. Dual nature of radiation and matter 69 a no electrons will be emitted as only photons can emit electrons. Concepts photo electric effect discovered by hertz 1887. Cbse class 12 physics revision notes for chapter 11 dual. Thomson and sir william crookes studied the discharge of electricity through gases. Physics notes class 12 chapter 11 dual nature of radiation. The photon of blue light emits electrons of greater kinetic energy. The elementary particle in an atom having negative charge of magnitude 1. In photo electric effect, compton effect etc particle nature is observed. Dual nature of radiation and matter pu2imp deeksha. Dual nature of matter and radiation notes for iit jee, download pdf. Learn and practice from dual nature of matter and radiation quiz, study notes and study tips to help you in neet physics preparation. The densitythickness is the same in each case, so the three slabs will.136 830 649 1112 745 710 477 394 811 78 1257 969 425 1482 256 1404 1147 486 55 966 1271 634 1136 640 1569 1673 1064 948 1270 584 23 929 458 69 610 1094 770 1228 415