<> endstream In Phenomena like Interference, diffrection etc wave nature is exhibited. A certain metallic surface is illuminated with monochromatic light of wavelength λ. Click here. Subject experts have given all these solutions with a straightforward and detailed description. �����c����� ke� Lect 02: Photoelectric Effect-02. /MediaBox [0 0 595 842] /Count 7 endobj /Resources 50 0 R /Filter /FlateDecode /Length 69 >> <> x�3R��2�35W(�*T0P�R0T(�Y@��� �����c����� kl� 52 0 obj endobj endstream J.J. Thomson called them “streams of negative corpuscles”. Click here. /Resources 50 0 R /Filter /FlateDecode /Length 68 >> Physics MCQs for Class 12 Chapter Wise with Answers PDF Download was Prepared Based on Latest Exam Pattern. /FontBBox [-568 -307 2000 1007] stream Louis de Broglie, a French physicist, in 1924, suggested that all microscopic as well as macroscopic objects possesses dual character. 6 0 obj stream Speculation that matter may not be continuous, existed in many places and cultur es. endobj x�3R��2�35W(�*T0P�R0T(�Y@��� <> endobj <> stream stream /Length 28 NCERT Class 12 Physics Dual Nature of Radiation and Matter. 387 Dual Nature of Radiation and Matter particles. There are many more useful educational material which the students can download in pdf format and use them for studies. stream �z@� �0&��52�342�s�C|�\�� ��o endobj endobj Notes of Chapter 11 Dual Nature of Matter and Radiations contains all the topic as per the syllabus of NCERT. /SMask 74 0 R /Length 2141 >> Chapter-11 Dual Nature of radiation and matter Davisson-Germer experiment CBSE Class 12 Physics Syllabus Deleted Portion for 2020-21. x�3R��2�35W(�*T0P�R0T(�Y@��� So that you can rely on these Class 12 Physics NCERT Solutions for Chapter 11 PDF at your exam preparation. /FontDescriptor 7 0 R <> DUAL NATURE OF MATTER AND RADIATION Introdcution Light exhibit dual nature - wave nature and particle nature. /ItalicAngle 0 However, the free electrons cannot normally escape out of the metal surface. 1 0 obj <> �����c����� ks� Hello,Myself Lakhan Keshwani "Empowering Youth through Genius Learning".Need HELP or CONFUSED ? �z@� �0& Explain the laws of Photoelectric effect. Dual Nature of Radiation and Matter CBSE CLASS XII NOTES Dr . x�3R��2�35W(�*T0P�R0T(�Y@��� The stopping potential for photoelectric current for this light is 3V o.If the same surface is illuminated with light of wavelength 2λ. 7 0 obj NCERT Class 12 Physics Chapter 11 DUAL NATURE OF RADIATION AND MATTER Notes are one of the best pieces of study material that students can get as it will aid them to study better and reduce some stress that … Johnston Stony suggested the name “Electron”. 56 0 obj view pdf. stream <> SUMMARY nhc 1. <> stream <> x��y`��7~�3K��I&i���do��I���R�h��E*e�]i��T7��½��� 38 0 obj Dual Nature of Radiation and Matter: Wave theory of electromagnetic radiations explained the phenomenon of interference, diffraction and polarization. View Dual Nature of Matter and Radiation.pdf from PHYSICS 03 at El Centro College. endobj endstream 54 0 obj 44 0 obj NCERT Class 12 Physics Chapter 11 DUAL NATURE OF RADIATION AND MATTER Notes PDF. 20 0 obj 61 0 obj Number of photon emitted in one second N 3. x�3R��2�35W(�*T0P�R0T(�Y@��� 70 0 obj Very Short Answer Questions. 25 0 obj �����c����� k�� 12 0 obj x�3R��2�35W(�*T0P�R0T(�Y@��� <> 51 0 obj Lect 01: Photoelectric Effect-01. Dual nature of radiation. 1 1. >> Class 12 Physics NCERT Solutions Chapter 11 Dual Nature of Radiation and Matter We will provide you with handwritten notes and discuss some important topics for board exams as well as some basic concepts such as what are the dual nature … NCERT Chapter 11. endobj endobj View Dual Nature of Matter and Radiation.pdf from PHYSICS 03 at El Centro College. stream Note : A harmonic wave has a definite wavelength. 22 0 obj Dual Nature of Matter and Radiation PDF Notes, Important Questions and Synopsis . endobj stream endstream Since both are forms of energy so can be transformed into each other. �z@� �0& endobj Photoelectric effect was discovered by Hertz in 1887. endobj x�3R��2�35W(�*T0P�R0T(�Y@��� x�3R��2�35W(�*T0P�R0T(�Y@��� ��+�o��0�,�7A*J��A ��E�h����L�YK��:N�AsbVu�����6 <> %PDF-1.4 /Resources 50 0 R /Filter /FlateDecode /Length 69 >> Dual Nature of Radiation and Matter Class 12 Notes Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Notes – PDF Download The phenomenon of emission of photo electron from the surface of metal, when a light beam of suitable frequency is incident on it, is called photoelectric effect. in this video we cover all important topics topics covered---- photoelectric effect explanation of photoelectric effect terms related to photoelectric effect free electron work function. endobj 46 0 obj endobj �����ch����� {{ x�3R��2�35W(�*T0P�R0T(�Y@��� << /Type /Catalog <> Free PDF download of Class 12 Physics revision notes & short key-notes for Chapter 11 - Dual Nature of Radiation and Matter to score high marks in exams, prepared by expert Physics teachers from latest edition of CBSE(NCERT) books. �z@� �0&��52�342�s�C|-\�� ��q <> /Margins [0 0 0 0] �����ch����� {m An electromagnetic wave has dual (wave–particle) nature. Einstein in 1905 suggested that light has dual nature, i.e. endobj 8 0 obj <> ... Dual Nature of Radiation and Matter - NCERT Chapter (PDF) (Physics) > Dual Nature of Radiation and Matter. Dual-Nature-of-Radiation-and-Matter.pdf - Google Drive ... Sign in stream • There are four types of electron emission, namely, Thermionic Emission, Photoelectric Emission, Field Emission and secondary emission. 34 0 obj Mamentum of Photon = p = x�3R��2�35W(�*T0P�R0T(�Y@��� /Infix <> /ShowGrid false /ShowGuides false /SnapToGrid false >> Whenever radiation interacts with the matter, it displays particle like properties in contrast to the wavelike properties (interference and diffraction), which it exhibits when it propagates. x�3R��2�35W(�*T0P�R0T(�Y@��� endobj >> <> /Resources 50 0 R /Filter /FlateDecode /Length 68 >> endstream 14 0 obj /Resources 50 0 R /Filter /FlateDecode /Length 69 >> <> Questions on Dual Nature of Matter is extremely important topic of Physics for students of 10+2 (Non – Medical, Medical ) . <> �z@� �0& endstream On the other hand, quantum theory of e.m. radiations successfully explained the photoelectric effect, Compton effect, black body radiations, X- ray spectra, etc. �z@� �0&��52�342�s�C|M\�� ��m 2 1 obj NCERT Solutions for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter Exercises Solutions and Additional Exercises Solutions to study online without downloading for new academic session 2020-2021. Short Answer Questions-II. �z@� �0&��52�342�s�C| \�� �^h stream 2. x�3R��2�35W(�*T0P�R0T(�Y@��� They were found to travel with speeds ranging from about 0.1 to 0.2 times the speed of light (3 ×10 8 m/s). Easy to print and read. �����c����� k�� Click here. endstream Notes 301 Dual Nature of Radiation and Matter PHYSICS MODULE - 7 Atoms and Nuclei z state the laws of photoelectric emission; z interpret the graphs between frequency of radiation and retarding potential; z write deBroglie wavelength of matter waves associated with a particle of momentum p ; and z describe the experimental arrangement for the verification of matter waves. <> 31 0 obj 10 0 obj Lect 04: Davisson and Germer Experiment /Resources <> /Para <<>> x�3R��2�35W(�*T0P�R0T(�Y@��� This summarizes most important formulae, concepts, in form of notes of Dual Nature of Radiation and Matter which you can read for JEE, NEET preparation.The important notes of Physics for Dual Nature of Radiation and Matter pdf download are available here for free. endobj <> These solutions are useful for UP Board students also. Dual Nature Of Matter And Radiation; Xam Idea Class 12 Physics Solutions PDF 11. endobj �����ch����� {� <> Photon energy E hf or E nhf 2. <> The electrons thus emitted are called “photo electrons”. 33 0 obj stream 11 0 obj endobj << 60 0 obj /Resources 50 0 R /Filter /FlateDecode /Length 69 >> x�3R��2�35W(�*T0P�R0T(�Y@��� x�3R��2�35W(�*T0P�R0T(�Y@��� stream endobj /Filter /FlateDecode endobj endstream Class XII Chapter 11 - Dual Nature Of Radiation And Matter Physics −10 (b) Also find the de Broglie wavelength of a neutron, in thermal equilibrium with matter, electromagnetic radiation is equal to the de Broglie wavelength of the photon. Dual Nature of Radiation and Matter Emission of electrons: We know that metals have free electrons (negatively charged particles) that are responsible for their conductivity. So uncertainty in its wavelength AR = 0 and hence uncertainty in its momentum Ap = 0 , as per de Broglie's equation. �z@� �0& endobj x�5�K <> stream �z@� �0&��52�342�s�C|,\�� �U? 43 0 obj endstream Free PDF download of Physics Class 12 Chapter 11 - Dual Nature of Radiation and Matter Formulas Prepared by Expert Teachers at Vedantu.com. �z@� �0&��52�342�s�C|�\�� �+9 �����ch����� {X Xam Idea Class 12 Physics Solutions is a complete exam preparation textbook for senior secondary classes. /BaseFont /FNTSBS+TimesNewRomanPSMT endstream Here are complete Dual Nature of Radiation and Matter important notes and summary. <> << 4 4. �z@� �0&��52�342�s�C|�\�� �N> �z@� �0& /FirstChar 0 Dual Nature of Radiation and Matter NCERT Solutions PDF covers the complete syllabus in a smart manner and solutions are prepared as per the latest CBSE guidelines. Matter can also exhibit dual nature. 65 0 obj x������������� lPZ� �g E stream endobj Thus, radiations have dual nature. <> endstream www.iceni.com) endstream Further, the value of e / m was found to be independent of the nature of the material/metal used as the cathode (emitter), or the gas introduced in the discharge tube. /FontName /FNTSBS+TimesNewRomanPSMT stream /CropBox [0 0 595 842] CBSE Class 12 Physics Dual Nature Of Matter Frequently Asked Questions. NCERT Solutions are prepared by expert teachers in such a way that it helps students understand the concepts of the chapter in an interactive manner. At about 0.01 mm of Hg and at high voltage invisible streams called cathode rays are emitted. >> <> endstream �z@� �0&��52�342�s�C|-\�� ��p 55 0 obj Dual nature of radiation and matter NCERT SOLUTIONS pdf is provided here to help 12th standard students to prepare for the subject more efficiently. /Resources 50 0 R /Filter /FlateDecode /Length 68 >> <> 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… /Resources 50 0 R /Filter /FlateDecode /Length 69 >> endobj x�3R��2�35W(�*T0P�R0T(�Y@��� �����c����� k�� �z@� �0&��52�342�s�C| \�� �ei <> /CreationDate (D:20160824183349) 59 0 obj SIMIL RAHMAN MSc,Ph.D,B.Ed, D.E.E.I ,SET,MA Engineering. endobj For 1 marker and MCQ for class 12 boards, conceptual questions from these topics as well as threshold frequency and wave function can be asked. �z@� �0& Contents1 Matter wave or a de Broglie wave2 Verification of dual character of electrons2.1 (1) Davisson and Germer’s experiment2.2 (2) Thomson’s experiment3 Verification of Particle Character4 Derivation of Bohr’s postulate of angular momentum from de Broglie equation Matter […] Photoelectric effect, Hertz and Lenard's observations; Einstein's photoelectric equation; particle nature of light. This process is called photoelectric effect. x�3R��2�35W(�*T0P�R0T(�Y@��� View Test #11 Dual radiation of matter.pdf from PHYSICS 1 at Aakash Teacher Training College,hisar. x�3R��2�35W(�*T0P�R0T(�Y@��� Dual Nature of Radiation and Matter NCERT Solutions PDF covers the complete syllabus in a smart manner and solutions are prepared as per the latest CBSE guidelines. 32 0 obj Dual Nature of Radiation and Matter Class 12 Physics MCQs Pdf. x�3R��2�35W(�*T0P�R0T(�Y@��� The notes are based on CBSE Syllabus. Students can solve NCERT Class 12 Physics Dual Nature of Radiation and Matter MCQs Pdf with Answers to know their preparation level. Moving particle like electrons, protons etc can exhibit wave properties. endobj 48 0 obj endstream Dual nature of Radiation and Matter Photoelectric Effect The “Photoelectric effect” is a phenomenon of the emission of electrons by a metal surface after absorbing “light energy”. << Whereas, some other phenomenon like Interference, diffraction, polarization etc. >> Download NCERT Chapters and Books in pdf format. /Producer (Iceni Technology. x�3R��2�35W(�*T0P�R0T(�Y@��� <> Dual Nature of Radiation and Matter. endstream Matter waves-wave nature of … His concept about the dual nature of matter was based on the following observations:-(a) The whole universe is composed of matter and electromagnetic radiations. endstream Dual Nature of Radiations: Depending on the experiment, we find that light behaves either as a wave or as a stream of particles. On the other hand, quantum theory of e.m. radiations successfully explained the photoelectric effect, Compton effect, black body radiations, X- ray spectra, etc. /Type /FontDescriptor 47 0 obj /Contents 216 0 R x�3R��2�35W(�*T0P�R0T(�Y@��� And with the help of either wave nature or particle nature, we can … 41 0 obj 17 Dual Nature of Matter: As there is complete equivalence between matter (mass) and radiation (energy) and the principle of symmetry is always obeyed, de Broglie suggested that moving particles like protons, neutrons, electrons, etc., should be associated with waves known as de Broglie waves and their endobj endstream x�3R��2�35W(�*T0P�R0T(�Y@��� x����q�H �a�qRI�JbW�����8�$�ķc��4��di�[�y~x.�f���뗗�+ ����!���Da"�0B�!L�&B!���Da"�0B�!L�&B!���Da"�0B�!L�&B!���Da"�0B�u�S�]__�����//�����x���}�|X��L�s� !L�&B!���Da�%���F6`�}U�.~�}ո�"+7���� !L�&B!���Da�,Q���w˽(�oU����OV|�e&�0B�!L�&B!��¬~��տ>+vP|M�^-G� !L�&B!���Da�(>��J-7�%KcfB!���Da"�0BX/K� 8��f���>_-�2B�!L�&B!���Kq�(��~ѲAv*=Vq�(����Da"�0B�!��ũ[�P�j�q���K�La"�0B�!L�&B��@O�I�~π�GO��D1�KX�0B�!L�&B!���z9�S����*�ٲA�a�/2���)h�cfB!���Da"�0B�!�|ve��*�}5��j�}���Jo���N�O�&B!���Da�´����rU�־���-wFkvd�MFؐ��Da"�0B�!L���9볧�s1`ʩ�E?u��(�B��Da"�0B�!���(���}��5����S��İ��% endstream AW+RfB!���Da"�0BX�K+�]y_-��~�SϿ�|�_H��e[��%B!���Da"�0B�I�&~ �'��oj�h-OS�3!���Da"�0B�!,�+S|��J0_������ t�N�e&�0B�!L�&B!���Ŕf�a_y��ܪ�n'�X���'B!���Da"��^N3����~j��{!4;�S�aW�j��La"�0B�!L�&B;�%��7_�8��������t_-�X,Q �!���Da"�0BX�@O�5ۉaꎲڢ����3��6��3�@Op�Da"�0B�!L����+�ޠ�5��. endstream <> endstream 30 0 obj /ProcSet [/PDF /Text] /XObject <> >> 4 0 obj endobj 9 0 obj endobj Question 1. /Kids [4 0 R 28 0 R 47 0 R 49 0 R 56 0 R 64 0 R 66 0 R] The presently accepted value of e / m is 1.76 × 10 11 C/kg. 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. /Length 51244 i.e. endstream Dual Nature of Radiation and Matter Emission of electrons: We know that metals have free electrons (negatively charged particles) that are responsible for their conductivity. What is Photoelectric effect? Photon energy E hf or E nhf 2. �z@� �0&��52�342�s�C|�\�� �sk Subject- Physics chapter- Dual Nature of Radiation and Matter Read full ncert pdf online with notes & video guides. 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