JEE Physics
Photoelectric Effect: JEE Questions & Solutions
22 previous-year JEE Physics questions on Photoelectric Effect, each with a worked step-by-step solution.
Previous-year questions
- 01A light wave described by E = 60[sin(3 × 10¹⁵t) + sin(12 × 10¹⁵t)] (in SI units) falls on a metal surface of work function 2.8 eV. The…MCQMediumJEE 2026
- 02The 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…MCQEasyJEE 2025
- 03A light source of wavelength λ illuminates a metal surface, and electrons are ejected with a maximum kinetic energy of 2 eV. If the same…MCQEasyJEE 2025
- 04In the photoelectric effect, an electromagnetic wave is incident on a metal surface and electrons are ejected from the surface. If the work…MCQEasyJEE 2025
- 05In photoelectric effect, the stopping potential V₀ vs frequency ν curve is plotted. h is the Planck's constant and φ₀ is the work function…MCQMediumJEE 2025
- 06The ratio of the power of a light source S₁ to that of the light source S₂ is 2. S₁ is emitting 2 × 10¹⁵ photons per second at 600 nm. If…NVAEasyJEE 2025
- 07Which of the following phenomena cannot be explained by the wave theory of light?MCQEasyJEE 2025
- 08Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Emission of…MCQMediumJEE 2025
- 09In an experiment with photoelectric effect, the stopping potential:MCQEasyJEE 2025
- 10The work function of a metal is 3 eV. The color of the visible light that is required to cause emission of photoelectrons isMCQEasyJEE 2025
- 11Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In photoelectric effect,…MCQEasyJEE 2025
- 12A photo-emissive substance is illuminated with a radiation of wavelength λᵢ so that it releases electrons with de-Broglie wavelength λₑ.…MCQMediumJEE 2025
- 13The threshold frequency of a metal with work function 6.63 eV is:MCQEasyJEE 2024
- 14The work function of a substance is 3.0 eV. The longest wavelength of light that can cause the emission of photoelectrons from this…MCQEasyJEE 2024
- 15UV light of 4.13 eV is incident on a photosensitive metal surface having a work function of 3.13 eV. The maximum kinetic energy of the…MCQEasyJEE 2024
- 16From the photoelectric effect experiment, the following observations are made. Identify which of these are correct: A. The stopping…MCQEasyJEE 2023
- 17Given below are two statements: Statement I: Stopping potential in photoelectric effect does not depend on the power of the light source.…MCQEasyJEE 2023
- 18The threshold wavelength for photoelectric emission from a material is 5500 Å. Photoelectrons will be emitted when this material is…MCQEasyJEE 2023
- 19A point source of light is placed at the centre of curvature of a hemispherical surface. The source emits a power of 24 W. The radius of…NVAMediumJEE 2023
- 20If the two metals A and B are exposed to radiation of wavelength 350 nm. The work functions of metals A and B are 4.8 eV and 2.2 eV. Then…MCQEasyJEE 2023
- 21The variation of stopping potential (V₀) as a function of the frequency (v) of the incident light for a metal is shown in the figure. The…MCQEasyJEE 2023
- 22Given below are two statements: Statement I: Out of microwaves, infrared rays and ultraviolet rays, ultraviolet rays are the most effective…MCQEasyJEE 2023
Frequently asked questions
Our bank has 22 previous-year JEE Physics questions tagged to Photoelectric Effect, drawn from JEE papers between 2023 and 2026, including 1 from 2026 alone. Each comes with a full step-by-step solution.
Photoelectric Effect is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 17 easy, 5 medium.
Of the 22 previous-year questions on Photoelectric Effect, 20 are multiple-choice (MCQ) and 2 are numerical-value (NVA) questions.
Based on recent paper analysis, Photoelectric Effect is worth about 1 mark in JEE Main. It sits in Dual Nature of Matter & Radiation, a Class 12 Physics chapter.
More Dual Nature of Matter & Radiation topics
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