Dual Nature of Matter and Radiation: JEE Main 2025 Physics question

JEE Main 2025 · 22 Jan, Evening shift · Q44

JEE Main 202522 Jan, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

A light source of wavelength

\lambda

illuminates a metal surface and electrons are ejected with maximum kinetic energy of 2 eV. If the same surface is illuminated by a light source of wavelength

\dfrac{\lambda}{2}

, then the maximum kinetic energy of ejected electrons will be (The work function of metal is 1 eV)

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JEE Main 2025 Dual Nature of Matter and Radiation Question with Solution (22 Jan Evening shift, Q44) | JEE Arc