Free NEET Mock Tests for Atoms And Nuclei
Boost your NEET Exam Physics with free chapter-wise NEET mock tests for Atoms and Nuclei at Onlineneetcoaching.in! Tackle 3–4 questions (12–16 marks) on Bohr model, nuclear fission, and binding energy. Our NCERT-aligned MCQs from a 25,000+ question bank prep you for challenges like “Calculate hydrogen spectrum wavelengths.” No signups needed—start practicing now!
NEET Exam Atoms and Nuclei Syllabus: Your Roadmap to Success
Atoms and Nuclei is a cornerstone of NEET Exam Physics, contributing 3–4 questions (12–16 marks) to the 180-question exam. This NCERT Class 12 chapter blends atomic theory with nuclear physics, testing both conceptual clarity and numerical skills. From Rutherford’s scattering experiment to nuclear fission, mastering this syllabus can elevate your Physics score. Onlineneetcoaching.in’s free chapter-wise NEET mock tests, drawn from our 25,000+ question bank, align perfectly with NEET Exam, excluding dropped topics like isotopes, isobars, isotones, radioactivity, and decay law. Below is the complete syllabus to guide your prep.
- Alpha-Particle Scattering Experiment: Understand Geiger-Marsden’s setup and its evidence for a nuclear atom model.
- Rutherford’s Model of Atom: Study the nuclear atom, its successes (explaining scattering), and limitations (electron stability).
- Bohr Model: Learn Bohr’s postulates, quantized orbits, and energy levels (\( E_n = -\frac{13.6}{n^2} \, eV \)) for hydrogen-like atoms.
- Hydrogen Spectrum: Calculate wavelengths (\( \frac{1}{\lambda} = R \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right) \)) for Lyman, Balmer, and Paschen series.
- Composition and Size of Nucleus: Explore nuclear structure, proton-neutron composition, and nuclear radius (\( R = R_0 A^{1/3} \)).
- Atomic Masses: Understand atomic mass units (u) and their role in nuclear calculations.
- Mass-Energy Relation: Apply Einstein’s \( E = mc^2 \) to nuclear processes.
- Mass Defect: Calculate mass defect (\( \Delta m = Z m_p + (A-Z) m_n - M \)) for nuclear stability.
- Binding Energy per Nucleon: Compute binding energy (\( BE = \Delta m c^2 \)) and analyze its variation with mass number (peaks at Fe-56).
- Nuclear Fission: Study the splitting of heavy nuclei (e.g., U-235) and energy release.
- Nuclear Fusion: Understand light nuclei combining (e.g., H-2 to He-4) and stellar energy production.
Note: Dropped topics like isotopes, isobars, isotones, radioactivity (alpha, beta, gamma particles/rays), and decay law are not part of NEET Exam. Focus on the above to stay exam-ready with our chapter-wise NEET mock tests!
Top Study Tips for Atoms and Nuclei in NEET Exam
Atoms and Nuclei can seem daunting with its mix of atomic models and nuclear calculations, but with the right strategy, you can lock in 12–16 marks. Onlineneetcoaching.in’s free chapter-wise NEET mock tests, sourced from our 25,000+ question bank, simplify NEET-level challenges like Bohr model numericals or binding energy problems. Here are 8 tips to ace this chapter and boost your Physics prep.
- Grasp Rutherford’s Model: Understand how alpha-particle scattering led to the nuclear atom. NEET may ask, “Why does Rutherford’s model fail for electron stability?” Practice with our mock tests to nail concepts.
- Master Bohr’s Energy Levels: Memorize \( E_n = -\frac{13.6}{n^2} \, eV \). Solve questions like “Find the energy of an electron in n=2 for H.” Our MCQs drill these numericals.
- Calculate Hydrogen Spectrum Wavelengths: Use \( \frac{1}{\lambda} = R \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right) \) (R = 1.097 × 10^7 m^-1). For example, Balmer’s n=3 to n=2 gives λ ≈ 656 nm. Practice spectrum series with our tests.
- Understand Nuclear Composition: Learn nuclear radius (\( R = R_0 A^{1/3} \)) and proton-neutron counts. NEET might ask, “What’s the radius of C-12?” Our mock tests simplify these.
- Tackle Mass Defect and Binding Energy: Calculate mass defect (\( \Delta m \)) and binding energy (\( BE = \Delta m c^2 \)). For example, “Find BE for He-4 given masses.” Our tests provide step-by-step solutions.
- Analyze Binding Energy Curves: Study how binding energy per nucleon peaks at Fe-56. NEET questions like “Why is Fe-56 stable?” are common. Use our MCQs to master this trend.
- Differentiate Fission and Fusion: Know fission (e.g., U-235 splits) vs. fusion (e.g., H-2 to He-4). Practice questions like “What’s the energy release in fusion?” with our mock tests.
- Practice Timed Numericals: NEET allows ~1 minute per question. Solve “Calculate wavelength for n=4 to n=2” in under 60 seconds using our timed chapter-wise NEET mock tests to build speed.
These tips, paired with Onlineneetcoaching.in’s free chapter-wise NEET mock tests, will make Atoms and Nuclei a scoring powerhouse. Start practicing to dominate Physics!
Atoms and Nuclei Mock Test FAQs
What’s in the NEET Exam Atoms and Nuclei syllabus?▶
Onlineneetcoaching.in’s free chapter-wise NEET mock tests for Atoms and Nuclei cover Rutherford’s model, Bohr model, hydrogen spectrum, nuclear composition, mass defect, binding energy, fission, and fusion, per NCERT Class 12.
How many questions come from Atoms and Nuclei in NEET?▶
NEET Exam includes 3–4 questions (12–16 marks) from Atoms and Nuclei, testing Bohr model, binding energy, and nuclear reactions. Our mock tests ensure you ace every question!
Are isotopes and radioactivity in the NEET Exam syllabus?▶
No, isotopes, isobars, isotones, radioactivity (alpha, beta, gamma), and decay law were dropped from NEET Exam. Our mock tests focus on current topics like Bohr model and fission.
How do I calculate Bohr model energy levels?▶
Use \( E_n = -\frac{13.6}{n^2} \, eV \). For n=2 in hydrogen, \( E_2 = -\frac{13.6}{4} = -3.4 \, eV \). Our chapter-wise NEET mock tests drill these numericals!
What’s the hydrogen spectrum formula for NEET?▶
Use \( \frac{1}{\lambda} = R \left( \frac{1}{n_1^2} - \frac{1}{n_2^2} \right) \), R = 1.097 × 10^7 m^-1. For Balmer n=3 to n=2, λ ≈ 656 nm. Practice with our mock tests!
How is mass defect calculated in NEET questions?▶
Mass defect is \( \Delta m = Z m_p + (A-Z) m_n - M \). For He-4, calculate using given masses. Our mock tests simplify this for NEET success.
What’s binding energy per nucleon in NEET?▶
Binding energy is \( BE = \Delta m c^2 \). Divide by mass number (A) for per nucleon. NEET asks, “Why does BE peak at Fe-56?” Our tests clarify this.
What’s nuclear fission in the NEET syllabus?▶
Fission splits heavy nuclei (e.g., U-235) into lighter ones, releasing energy. NEET may ask, “What’s the energy output?” Our mock tests cover fission problems.
How does nuclear fusion work in NEET Exam?▶
Fusion combines light nuclei (e.g., H-2 to He-4), releasing energy, like in stars. Practice NEET questions like “Calculate fusion energy” with our mock tests.
Why choose Onlineneetcoaching.in’s Atoms and Nuclei mock tests?▶
Our free chapter-wise NEET mock tests for Atoms and Nuclei, from a 25,000+ question bank, match NEET’s difficulty, offer instant feedback, and align with NCERT. Practice anytime, no signup!