JEE Main 2026 — Dual Nature of Matter Question with Solution
JEE Main 2026 (22 January Shift 2)
Question
Light is incident on a metallic plate having work function . If the produced photoelectrons have zero kinetic energy then the angular frequency of the incident light is rad/s. .
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
From Einstein's photoelectric equation, .
With zero kinetic energy, .
The frequency is Hz.
The angular frequency is
rad/s.
With zero kinetic energy, .
The frequency is Hz.
The angular frequency is
rad/s.
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This is a previous-year question from JEE Main 2026, covering the Dual Nature of Matter chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.