In an experiment with photoelectric effect, the stopping potential,

is $\left(\frac{1}{e}\right)$ times the maximum kinetic energy of the emitted photoelectrons

increases with increase in the intensity of the incident light

decreases with increase in the intensity of the incident light

increases with increase in the wavelength of the incident light

Dual Nature Of Radiation — JEE Main Previous Year Questions

184 solved PYQs · 2016–2026 · Physics

Solved PYQs: 184
Years covered: 2016–2026
Avg / year: ~17
Subject: Physics

How many JEE Main questions come from Dual Nature Of Radiation?

Dual Nature Of Radiation has contributed 184 questions to Joint Entrance Examination (Main) papers between 2016 and 2026 — an average of about 17 questions a year. That count is measured from EByAi’s bank of 55,289 JEE Main questions, not estimated from a syllabus. Every one of the 184 questions carries a written, step-by-step solution, and each is tagged to Dual Nature Of Radiation within Physics, so you can drill this chapter across every year at once instead of hunting through paper PDFs. Practising a chapter’s full PYQ history is the fastest way to learn the patterns examiners reuse.

Sample Dual Nature Of Radiation questions from real JEE Main papers

These are 5 real questions from the bank — exactly as asked, with the answer one tap away. All 184 Dual Nature Of Radiation questions (with full written solutions) are available in practice.

Question 1 · JEE Main 2025
In an experiment with photoelectric effect, the stopping potential,
1. (A) $is (\frac{1}{e}) times the maximum kinetic energy of the emitted photoelectrons$
2. (B) $increases with increase in the intensity of the incident light$
3. (C) $decreases with increase in the intensity of the incident light$
4. (D) $increases with increase in the wavelength of the incident light$
Show answerAnswer
$Answer: (A) is (\frac{1}{e}) times the maximum kinetic energy of the emitted photoelectrons$
Question 2 · JEE Main 2025
Which of the following phenomena cannot be explained by wave theory of light?
1. (A) $Refraction of light$
2. (B) $Reflection of light$
3. (C) $Diffraction of light$
4. (D) $Compton effect$
Show answerAnswer
$Answer: (D) Compton effect$
Question 3 · JEE Main 2025
The radiation pressure exerted by a 450 W light source on a perfectly reflecting surface placed at 2 m away from it, is
1. (A) $3 \times 1 0^{- 8} Pascals$
2. (B) $0$
3. (C) $1.5 \times 1 0^{- 8} Pascals$
4. (D) $6 \times 1 0^{- 8} Pascals$
Show answerAnswer
$Answer: (D) 6 \times 1 0^{- 8} Pascals$
Question 4 · JEE Main 2025
The work function of a metal is 3 eV . The color of the visible light that is required to cause emission of photoelectrons is
1. (A) $Red$
2. (B) $Green$
3. (C) $Blue$
4. (D) $Yellow$
Show answerAnswer
$Answer: (C) Blue$
Question 5 · JEE Main 2025
The work functions of cesium (Cs) and lithium (Li) metals are 1.9 eV and 2.5 eV , respectively. If we incident a light of wavelength 550 nm on these two metal surfaces, then photoelectric effect is possible for the case of
1. (A) $Both Cs and Li$
2. (B) $Neither Cs nor Li$
3. (C) $Li only$
4. (D) $Cs only$
Show answerAnswer
$Answer: (D) Cs only$

Dual Nature Of Radiation questions by year

Year	Questions	Share of chapter questions
2026	16
2025	21
2024	23
2023	26
2022	21
2021	33
2020	17
2019	16
2018	4
2017	4
2016	3

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FAQs

How many JEE Main questions have been asked from Dual Nature Of Radiation?

EByAi's bank holds 184 real JEE Main questions from Dual Nature Of Radiation, asked between 2016 and 2026 — about 17 per year on average. Every count is measured from actual papers, not estimated.

Is Dual Nature Of Radiation important for JEE Main?

184 questions over 11 papers make Dual Nature Of Radiation a moderate-weightage chapter in JEE Main Physics. The year-wise table above shows exactly how often it appears.

Can I solve Dual Nature Of Radiation PYQs online for free?

Yes. EByAi lets you solve JEE Main past-year questions in the browser with written solutions — free daily practice, no card needed.

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