JEE Main Physics · Dual Nature of Radiation and Matter
Einstein's Photoelectric Equation
Einstein's Photoelectric Equation (Dual Nature of Radiation and Matter) was asked 4 times in 4 JEE Main shifts, 2020–2026, out of the 42 shifts Lumi analysed. 1 of the 4 had a numerical answer.
- Times asked
- 4
- in 4 shifts
- Years
- 2020–2026
- Usual format
- Single correct
- Calculation
- Pattern
- Frequent
- repeats across shifts
How it is asked
- Work function from stopping potential
- Max kinetic energy from photon energy
Difficulty
Easy 2Medium 2Hard 0
Where it sits
Chapter: Dual Nature of Radiation and Matter. Topic: Photoelectric Effect, 22 questions over 10 ideas.
Other repeat ideas in this topic
Every time it came
All 4 questions
Newest first, each with its options and official answer.
- 5 Apr 2026, Shift 1 · Q41Light source having wavelength 331 nm is used to generate photo-electrons whose stopping potential is 0.2 V. The work function of the used…EasySingle correct
- 9 Apr 2024, Shift 2 · Q47UV light of eV is incident on a photosensitive metal surface having work function eV. The maximum kinetic energy of ejected…EasySingle correct
- 24 Jun 2022, Shift 1 · Q56When light of frequency twice the threshold frequency is incident on the metal plate, the maximum velocity of emitted electron is .…MediumNumerical value
- 8 Jan 2020, Shift 1 · Q17When photon of energy 4.0 eV strikes the surface of a metal A, the ejected photoelectrons have maximum kinetic energy eV and…MediumSingle correct