JEE Main 2024 — Dual Nature of Matter Question with Solution
JEE Main 2024 (30 Jan Shift 2)
Question
For the photoelectric effect, the maximum kinetic energy of the photoelectrons is plotted against the frequency of the incident photons as shown in figure. The slope of the graph gives
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Show full solutionCorrect option: D
Correct answer
DPlanck’s constant
Step-by-step explanation
Comparing Einstein's equation with we get slope, , which is Planck’s constant.
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This is a previous-year question from JEE Main 2024, 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.