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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceTwo statementsEasyConceptual

JEE Main 27 June 2022, Shift 2, Physics Q48

Question 48 of 90 in this shift, Physics question 18 of 30, Section A.

Given below are two statements: Statement I: In hydrogen atom, the frequency of radiation emitted when an electron jumps from lower energy orbit (E1_1) to higher energy orbit (E2_2), is given as hf=E1−E2hf = E_1 - E_2 Statement II: The jumping of electron from higher energy orbit (E2_2) to lower energy orbit (E1_1) is associated with frequency of radiation given as f=(E2−E1)/hf = (E_2 - E_1)/h This condition is Bohr’s frequency condition. In the light of the above statements, choose the correct answer from the options given below:
  1. (1)Both statement I and statement II are true.
  2. (2)Both statement I and statement II are false.
  3. (3)Statement I is correct but statement II is false.
  4. (4)Statement I is incorrect but statement II is true.Official answer

Official answer

Option 4

NTA final key.

Chapter
Atoms
Topic
Bohr's Atomic Model
Idea tested
Energy Level Calculations

Same idea in other shifts

Asked 12× in all
  1. 2 Apr 2026, Shift 1 · Q44Angular momentum of an electron in a hydrogen atom is 3hπ\frac{3h}{\pi}, then the energy of the electron is ______ eV.EasySingle correct
  2. 2 Apr 2025, Shift 1 · Q43Considering Bohr's atomic model for hydrogen atom : (A) the energy of H atom in ground state is same as energy of He+\mathrm{He^+} ion in…EasyOther
  3. 6 Apr 2024, Shift 1 · Q60Radius of a certain orbit of hydrogen atom is 8.48 Å. If energy of electron in this orbit is E/xE/x, then xx = __________. (Given aoa_o =…EasyNumerical value
  4. 6 Apr 2023, Shift 1 · Q34The energy levels of an hydrogen atom are shown below. The transition corresponding to emission of shortest wavelength isEasyDiagram basedHas a figure
  5. 11 Apr 2023, Shift 2 · Q44The energy of He+\mathrm{He^+} ion in its first excited state is, (The ground state energy for the Hydrogen atom is −13.6 eV-13.6\ \mathrm{eV}):EasySingle correct
  6. 29 Jul 2022, Shift 1 · Q47Find the ratio of energies of photons produced due to transition of an electron of hydrogen atom from its (i) second permitted energy…EasySingle correct
  7. 27 Jun 2022, Shift 1 · Q54A beam of monochromatic light is used to excite the electron in Li++\mathrm{Li^{++}} from the first orbit to the third orbit. The wavelength…MediumNumerical value
  8. 30 Jun 2022, Shift 1 · Q59A hydrogen atom in its first excited state absorbs a photon of energy x×10−2x\times10^{-2} eV and excited to a higher energy state where the…MediumNumerical value

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.