Ch12 Atom NCERT Board MCQ Part 3 скачать в хорошем качестве

Ch12 Atom NCERT Board MCQ Part 3

Ch12 Atom NCERT Board MCQ Part 3; Class 12 Physics | Chapter 12 – Atoms | MCQ Series (Part 2) Welcome back to the MCQ practice series! In this video, we cover important multiple-choice questions from Chapter 12: Atoms, designed to help you strengthen concepts and score full marks in board exams. 🔥What’s Inside: ✔️ Concept-based MCQs ✔️ Previous year–style questions ✔️ Step-by-step explanations ✔️ Quick tricks to solve numerical MCQs ✔️ Perfect revision for boards & competitive exams Useful for: – Class 12 Board Exam Preparation – NEET / JEE Foundation – Quick Concept Revision Keywords; Class 12 Physics Atoms MCQ, Atoms MCQ Part 2, NCERT Class 12 Physics Chapter 12, Atoms important questions, Class 12 Physics board preparation, Atoms NCERT MCQ solutions, Class 12 Physics MCQ series, CBSE Class 12 Atoms questions, Atoms previous year questions, Physics MCQ for boards, Atoms class 12 revision, Class 12 Physics chapter wise MCQ; Hashtags; #Class12Physics #AtomsClass12 #PhysicsMCQ #NCERTPhysics #CBSEBoardExam #Class12Preparation #AtomsMCQ #BoardExam2025 #ScienceMCQ #NCERTClass12 #StudyWithMe #JEEPreparation #NEETPreparation;; TIME STAMPS; 00:00 Question-41 Excitation energy of Lyman last line is 00:56 Question-42 According to Bohr’s theory, the energy of radiation in the transition from the third excited state to first excited state for a hydrogen atom is 01:43 Question-43 Energy is absorbed in the hydrogen atom giving absorption spectra when transition takes place from 02:14 Question-44 The electric current I created by the electron in the ground state of H atom using Bohr model in terms of Bohr radius (a0) and velocity of electron in first orbit v0 is 02:49 Question-45 Given the value of Rydberg constant is 107 m-1 , the wave number of last line of the Balmer series in hydrogen spectrum will be 03:23 Question-46 The value of ionisation energy of the hydrogen atom is 03:52 Question-47 If the radius of inner most electronic orbit of a hydrogen atom is 5.3 x 10-11 m, then the radii of n = 2 orbit is 04:37 Question-48 If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits a photon of wavelength . When it jumps from the 4th orbit to the 3rd orbit, corresponding wavelength of the photon will be 06:03 Question-49 The moment of momentum for an electron in second orbit of hydrogen atom as per Bohr model is 06:38 Question-50 An electron is revolving in the nth orbit of radius 4.2 Å , then value of n is r1 07:28 Question-51 Hydrogen H, deuterium D, singly-ionised helium He+ and doubly-ionised lithium Li++ all have one electron around the nucleus. For n = 2 to n = 1 transition, wavelengths of the emitted 09:20 Question-52 In the Geiger-Marsden scattering experiment, in case of head-on collision the impact parameter should be 10:13 Question-53 A hydrogen atom initially in the ground level absorbs a photon and is excited to n = 4 Ievel then the wavelength of photon is 11:03 Question-54 The Bohr model for the spectra of a H-atom 11:28 Question-55 In an atom the ratio of radius of orbit of electron to the radius of nucleus is 12:00 Question-56 If muonic hydrogen atom is an atom in which a negatively charged muon of mass about 207 me revolves around a proton, then first Bohr radius of this atom is 13:31 Question-57 Let E be the energy of the nth level of H-atom. If all the H-atoms are in the ground state and radiation of frequency 14:35 Question-58 A set of atoms in an excited state decays. 15:05 Question-59 The energy of an electron in the ground state of hydrogen atom is -13.6 eV The kinetic and potential energy of the electron in the first excited 16:11 Question-60 The potential energy of an electron in the second excited state in hydrogen atom is 16:53 Question-61 Hydrogen atom initially in the ground state, absorbs a photon which excites it to n = 5 level. The wavelength of the photon is 17:55 Question-62 If is the frequency of the series limit of Lyman series, is the frequency of the first line of Lyman series and is the frequency of the series limit of the Balmer series. Then 20:16 Question-63 Which of the following statements is not correct according to Rutherford model? 21:24 Question-64 In Bohr’s model of hydrogen atom, the total energy of the electron in nth discrete orbit is proportional to 21:43 Question-65 Which state of triply ionised beryllium Be+++ has the same orbital radius as that of the ground state of hydrogen?