Questions
16
across 8 papers
Share of subject
4.1%
of 387 Physics Qs
Weightage rank
#8
of 30 chapters
Difficulty
5 easy · 11 medium · 0 hard
Dual Nature of Radiation and Matter contributed 16 of the 387 NEET Physics questions between 2020 and 2026 (Re-NEET 2026 included). That is 4.1% of the subject and makes it the #8 chapter out of 30 by weightage — roughly 2 questions per paper, peaking at 3 in Re-NEET 2026.
Of the 16 questions tagged for difficulty, 31% were easy, 69% medium and 0% hard — mostly medium-level questions that reward practice beyond one-line facts.
Its weight has stayed fairly steady: 2.3 questions per paper across NEET 2025, NEET 2026 and Re-NEET 2026, against 2 in 2020–2022.
The single most-tested topic is Wave Nature of Matter (De Broglie Wavelength of Moving Particle.) — 7 questions across 7 papers.
7 topics tagged under Dual Nature of Radiation and Matter. Numbers show how many questions each topic had in each paper; E / M / H are the easy, medium and hard counts.
| Topic | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | Re | Total | E | M | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wave Nature of Matter (De Broglie Wavelength of Moving Particle.) | 1 | 1 | 1 | – | 1 | 1 | 1 | 1 | 7 | 2 | 5 | – |
| Einstein's Photoelectric Equation: Energy Quantum of Radiation | 1 | – | – | – | – | – | – | 1 | 2 | – | 2 | – |
| Experimental Study of Photoelectric Effect (Effect of Intensity of Light on Photocurrent) | – | – | – | – | – | 1 | – | 1 | 2 | 1 | 1 | – |
| Particle Nature of Light: the Photon | – | 1 | – | – | 1 | – | – | – | 2 | – | 2 | – |
| Experimental Study of Photoelectric Effect (Laws of Photoelectric Emission) | – | – | 1 | – | – | – | – | – | 1 | – | 1 | – |
| Experimental Study of Photoelectric Effect (Threshold Frequency and Wavelength) | – | – | – | – | – | – | 1 | – | 1 | 1 | – | – |
| Photoelectric Effect (Hertz's Observations, Hallwachs and Lenard's Observations) | – | – | – | 1 | – | – | – | – | 1 | 1 | – | – |
No question in this chapter was tagged hard.
In the NEET papers from 2020 to 2026 (including Re-NEET 2026), 16 Physics questions came from Dual Nature of Radiation and Matter — 4.1% of the subject, or about 2 per paper.
By past weightage it ranks #8 of 30 Physics chapters, so it is an above-average-weightage Physics chapter, with 16 questions over 2020–2026.
The most-tested topics are Wave Nature of Matter (De Broglie Wavelength of Moving Particle.) (7), Einstein's Photoelectric Equation: Energy Quantum of Radiation (2) and Experimental Study of Photoelectric Effect (Effect of Intensity of Light on… (2). The topic table above lists every topic with its count in each paper.
Of the 16 difficulty-tagged questions, 31% were easy, 69% medium and 0% hard.
Wave Nature of Matter (De Broglie Wavelength of Moving Particle.), Einstein's Photoelectric Equation: Energy Quantum of Radiation, Experimental Study of Photoelectric Effect (Effect of Intensity of Light on… and Experimental Study of Photoelectric Effect (Threshold Frequency and Wavelength) were asked in the 2026 papers.
Edurack has chapter-wise NEET previous-year questions for Dual Nature of Radiation and Matter. Use the practice button on this page to open the set, attempt questions and check your answers.
Counts come from Edurack's tagged set of NEET papers 2020–2026 (including Re-NEET 2026), mapped to NCERT chapters and topics. Use them as a trend guide — past frequency doesn't guarantee what a future paper will ask.