JEE Main 2016 — Dual Nature of Matter Question with Solution
JEE Main 2016 (03 Apr)
Question
Radiation of wavelength is incident on a photocell. The fastest emitted photoelectron has a speed . If the wavelength is changed to , the speed of the fastest emitted photoelectron will be
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
...(i)
...(ii)
From Eqn. (i)
On putting this Equation (ii)
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This is a previous-year question from JEE Main 2016, 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.