How many questions come from Nuclei in NEET?

Nuclei was examined 13 times across the 13 NEET papers from 2013 to 2025 — about 1 questions (4 marks) per paper.

Is Nuclei important for NEET 2027?

It is a lower-frequency chapter — about 1 questions a paper since 2013 — but every question is 4 marks and the concepts recur in other chapters.

How can I practice Nuclei for NEET for free?

nextAIR holds 118 tagged questions on Nuclei across 17 concepts. Adaptive practice and a timed chapter test both start from this page, free, with no signup.

Practice & Test Nuclei

Class 12 Physics · Chapter 13. Practice 118 free NEET 2027 questions on Nuclei (Class 12 Physics), across 17 concepts. Asked ~1× per paper since 2013. Start instantly — no signup.

nextAIR's analysis of 4,858 tagged NEET questions (2013–2026) finds Nuclei draws about 1.12 questions per paper in the recent sittings (2023–2026), against 1.59 per paper historically — trend down.

118

Practice questions

Concepts tagged

Asked 2013–2025

1×

Per paper

Part of the Atoms And Nuclei unit in NEET Physics.

How much does Nuclei matter?

Across the 13 NEET papers from 2013 to 2025, Nuclei has been examined 13 times — an average of 1 questions per paper. At 4 marks each, that is roughly 4 marks a year riding on this one chapter. Where it sits against every other chapter, weighted to the eight most recent papers with 2026 included, is in the NEET 2027 chapter-wise weightage.

Most repeated in Nuclei

Topics by share of the 8 most recent NEET sittings in which they appeared, from nextAIR's 4,858-question PYQ pack (2013–2026).

Radioactivityasked 19× · 0.38 per paper recently · trend down37.5%repeat
Atomic Masses and Composition of Nucleusasked 7× · 0.5 per paper recently · trend up37.5%repeat
Nuclear Energyasked 4× · 0.25 per paper recently · trend up12.5%repeat
Mass-Energy and Nuclear Binding Energyasked 7× · 0 per paper recently · trend down0%repeat

All most-repeated NEET topics

What gets asked: 15 concepts

Every question in the bank is tagged to one of these, so practice can target the exact idea you keep missing.

Atomic Masses and Composition of NucleusBinding Energy per Nucleon versus Mass Number GraphChange in Mass Number after Alpha DecayComposition and Size of NucleusDependence of Nuclear Stability on Binding Energy per NucleonMass Defect and Binding EnergyMass Energy and Nuclear Binding EnergyNuclear EnergyNuclear FissionNuclear ForceNuclear FusionNumber of Nuclei Decayed after Time tRadioactivitySize of the NucleusVariation in Orbit Radius with Mass of Orbiting Particle

Sample questions

Question 1

*For a radioactive material, half-life is 10 minutes. If initially there are 600 number of nuclei, the time taken (in minutes) for the disintegration of 450 nuclei is

Question 2

The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = atomic mass unit) The binding energy of_{2} He^{4} is (mass of helium nucleus = 4.0015 u)

Question 3

^{22} Ne nucleus, after absorbing energy, decays into two α-particles and an unknown nucleus. The unknown nucleus is

Start practicing Nuclei now

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Frequently asked

How many questions come from Nuclei in NEET?: Nuclei was examined 13 times across the 13 NEET papers from 2013 to 2025 — about 1 questions (4 marks) per paper.
Is Nuclei important for NEET 2027?: It is a lower-frequency chapter — about 1 questions a paper since 2013 — but every question is 4 marks and the concepts recur in other chapters.
How can I practice Nuclei for NEET for free?: nextAIR holds 118 tagged questions on Nuclei across 17 concepts. Adaptive practice and a timed chapter test both start from this page, free, with no signup.