Nuclei – CBSE Class 12 Previous Year Questions (2023–2026)

All 6 CBSE Class 12 previous-year questions from Nuclei (Physics), 2023–2026, taken from 6 papers. Practise them together in one test with the official marking and answer key, then review every answer.

▶ Practise all 6 questionsAll CBSE Class 12 chapters

Nuclei questions by paper

Sample questions

• CBSE Class 12 Physics Board 2026 (Set 55/1/1)
  For question number 18 to 16 two statements are given one labelled as Assertion A and the other labelled as Reason Select the correct answer to these questions from the…
• CBSE Class 12 Physics SQP 2026-27
  The binding energy per nucleon curve shows a maximum around mass number A 56 What does this imply about nuclei near iron Fe A They are the least stable nuclei They are…
• CBSE Class 12 Physics Board 2025 (Set 55/1/1)
  Which of the following figures correctly represent the shape of curve of binding energy per nucleon as a function of mass number 1 BLE A A a A A 56 56 BE BE A A A A 80 80
• CBSE Class 12 Physics SQP 2025-26
  The ratio of the nuclear densities of two nuclei having the mass numbers 8 and 27 is A 8 27 3 2 2 3 1 1

Question text shown from the scanned paper; open the test to see each question exactly as printed.

More Physics chapters

• Electric Charges and Fields 9
• Electrostatic Potential and Capacitance 8
• Current Electricity 13
• Moving Charges and Magnetism 17
• Magnetism and Matter 4
• Electromagnetic Induction 8
• Alternating Current 6
• Electromagnetic Waves 8
• Ray Optics 19
• Wave Optics 10
• Dual Nature of Matter and Radiation 13
• Atoms 13
• Semiconductor Electronics 12
• Communication Systems 1