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Dual Nature of Matter and Radiation PYQs (previous year questions) for JEE Main: Dual Nature of Matter and Radiation (Physics) had 11 questions across the 11 official JEE Main papers we tagged (2016–2026), and appeared in 9 of them. Asked in 3 of 3 years. The concepts asked in the most papers: Photoelectric Effect, De Broglie Wavelength, X-rays.
Year-wise question count
Asked in 3 of 3 years.
| Year | Papers | Questions | Per paper |
|---|---|---|---|
| JEE Main 2026 | 9 | 8 | 0.9 |
| JEE Main 2017 | 1 | 2 | 2 |
| JEE Main 2016 | 1 | 1 | 1 |
Most-asked concepts
Sorted by the number of papers a concept appeared in.
| Concept | Questions | Papers | Years |
|---|---|---|---|
| De Broglie Wavelength | 5 | 5 | 2026, 2017 |
| Photoelectric Effect | 5 | 5 | 2026, 2016 |
| X-rays | 1 | 1 | 2017 |
How to practise Dual Nature of Matter and Radiation PYQs
- Start with the concepts at the top of the table. They have come back the most.
- Solve one year’s Dual Nature of Matter and Radiation questions from the official PDF against the clock, then check the answer listed below.
- Log every miss as a concept gap, a calculation slip or a misread. Each needs a different fix.
- Once a concept is clean in two papers, move to the next. Then sit a full paper from the year pages.
Questions by year
Each line gives the question number and paper, type, concept, our one-line summary and the official answer, with a link to the official PDF.
JEE Main2026
- Q.42 (2 April, shift 1) · MCQ · Photoelectric Effect: Threshold wavelength from stopping potentials at lambda and 2 lambda (official answer: option 2) PDF
- Q.32 (4 April, shift 1) · MCQ · Photoelectric Effect: Metal giving the most energetic photoelectrons from stopping potential graph (official answer: option 1) PDF
- Q.44 (4 April, shift 2) · MCQ · De Broglie Wavelength: Ratio of de Broglie wavelengths of electron and proton through same voltage (official answer: option 1) PDF
- Q.35 (5 April, shift 1) · MCQ · De Broglie Wavelength: De Broglie wavelength of an electron accelerated by an electric field at time t (official answer: option 3) PDF
- Q.41 (5 April, shift 1) · MCQ · Photoelectric Effect: Work function from wavelength and stopping potential (official answer: option 3) PDF
- Q.43 (5 April, shift 2) · MCQ · De Broglie Wavelength: Change in de Broglie wavelength when electron speed falls 20% (official answer: option 3) PDF
- Q.47 (6 April, shift 2) · Numerical · De Broglie Wavelength: Ratio of accelerating voltages when wavelength rises by 50% (official answer: 4) PDF
- Q.43 (8 April, shift 2) · MCQ · Photoelectric Effect: Work function from max KEs at two wavelengths (official answer: option 4) PDF
JEE Main2017
JEE Main2016
- Q.21 · MCQ · Photoelectric Effect: Speed of fastest photoelectron when wavelength is reduced PDF
Dual Nature of Matter and Radiation in other exams
The same chapter in other official papers we tagged: JEE Advanced (7 questions), NEET (2 questions).
Other Physics chapters
- Units and Measurements PYQs
- Kinematics PYQs
- Laws of Motion PYQs
- Work, Energy and Power PYQs
- Rotational Motion PYQs
- Gravitation PYQs
- Properties of Solids and Liquids PYQs
- Thermodynamics PYQs
- Kinetic Theory of Gases PYQs
- Oscillations and Waves PYQs
- Electrostatics PYQs
- Current Electricity PYQs
- Magnetic Effects of Current and Magnetism PYQs
- Electromagnetic Induction and AC PYQs
- Electromagnetic Waves PYQs
- Optics PYQs
- Atoms and Nuclei PYQs
- Electronic Devices PYQs
- Experimental Skills PYQs
FAQ
How many Dual Nature of Matter and Radiation questions come in JEE Main?
In the official papers we tagged: 8 in 2026 (9 papers), 2 in 2017 (1 paper) and 1 in 2016 (1 paper). That is 11 questions in all, about 4% of Physics.
Which Dual Nature of Matter and Radiation topics repeat in JEE Main?
Asked in the most papers: Photoelectric Effect, De Broglie Wavelength, X-rays. The concept table lists every one with its count.
Are these official JEE Main questions?
Yes. Every question is from an official JEE Main paper hosted on our year pages. The one-line summaries are ours; open the PDF linked beside each question for the full text.