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Chapter test · Physics · Class 12

Atoms and Nuclei

This test asks up to 25 questions on the real pattern and marking, and hands you a concept-by-concept report the moment you finish. It covers 3 key concepts: Bohr model and spectra, Radioactivity and decay law and Mass-energy and binding energy.

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Questions
Up to 25 — 20 MCQ + 5 numerical
Time
60 minutes, fixed
Marking
JEE Main: +4 / −1 on A, +4 / 0 on B
Class
Class 12 · Physics
Report
Concept breakdown + cognitive demand, instantly

What this test covers

3 key concepts, tested the way the exam tests them.

Mapped from EduPeak’s learning framework for this chapter — the same map your report scores you against.

  1. 1
    Bohr model and spectra
    • Applies the Bohr model to hydrogen-like atoms and their spectral series.Apply & Analyse
  2. 2
    Radioactivity and decay law
    • Applies decay laws and computes half-life and activity.Apply & Analyse
  3. 3
    Mass-energy and binding energy
    • Computes mass defect, binding energy and energy release in fission/fusion.Apply & Analyse
Level of thinking demanded3 learning objectives
Recall & understandingApply & AnalyseHigher-order

This chapter is tested mostly at the Apply & Analyse level.

In your board

Where this chapter sits in your syllabus.

The same EduPeak test, found under your own textbook’s chapter name.

  • CBSE
    Atoms · Nuclei
    ✓ in your syllabus
  • Gujarat (GSEB)
    Atoms · Nuclei
    ✓ in your syllabus
  • Madhya Pradesh (MPBSE)
    Atoms · Nuclei
    ✓ in your syllabus
  • Rajasthan (RBSE)
    Atoms · Nuclei
    ✓ in your syllabus
  • Bihar (BSEB)
    Unit-VIII Atoms & Nuclei
    ✓ in your syllabus
  • Uttar Pradesh (UPMSP)
    परमाणु तथा नाभिक / Atoms and Nuclei
    ✓ in your syllabus
  • ISC (CISCE)
    Atoms and Nuclei
    ✓ in your syllabus
  • Cambridge International A Level
    Particle physics (AS) · Nuclear physics (A2)
    ✓ in your syllabus
  • IB Diploma Programme (HL)
    E.1 Structure of the Atom (E. Nuclear and Quantum Physics) · E.3 Radioactive Decay (E. Nuclear and Quantum Physics) · E.4 Fission (E. Nuclear and Quantum Physics)
    ✓ in your syllabus
See all chapters in your board’s names →

Try one

A sample question from this chapter.

Drawn fresh from the chapter’s bank on every visit. Reveal the worked solution when you are ready — the way your report explains every question.

SamplePhysics· Numerical+4 / 0
For a hydrogen atom, and are the wavelengths corresponding to the transitions and respectively, as shown in the figure. The ratio is . The value of is equal to.
Energy level diagram for the hydrogen atom with three horizontal levels labelled n = 1 (ground state) at the bottom, n = 2 in the middle and n = 3 (excited states) at the top. Two downward vertical arrows both end on the n = 1 level: the arrow labelled 1 starts from n = 3 and the arrow labelled 2 starts from n = 2.
    Worked, step by step — the way your report explains every question. Loads on request.
    In the real test, every question is fresh from the chapter’s bank — and your report shows the worked solution for each one.

    Keep climbing

    Related Class 12 Physics chapters

    ElectrostaticsCurrent ElectricityMagnetic Effects of Current and MagnetismElectromagnetic Induction and Alternating CurrentsElectromagnetic WavesOptics

    Good to know

    About this chapter test

    How is the test scored?
    Exactly like JEE Main: +4 for a correct answer, −1 for a wrong MCQ, and no negative marking on numericals. Your total, pacing and concept-by-concept accuracy appear in your report the moment you submit.
    Which class is Atoms and Nuclei in?
    Atoms and Nuclei sits in Class 12 Physics here. Pick your class when you start — the whole chapter list is organised the same way.
    Can I take it more than once?
    Yes — each attempt draws from the chapter’s bank, and your report tracks your best and your progress across attempts.
    Is it free?
    Free chapter tests are included with every account, and each one comes with the complete report. No card needed to start.

    25 questions. 60 minutes. One honest answer.

    Find out exactly where you stand on this chapter — today.

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