JEE Main 2014 — Structure of Atom Question with Solution
JEE Main 2014 (11 Apr Online)
Question
If and be threshold wavelength and wavelength of incident light, the velocity of photoelectron ejected from the metal surface is:
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
The kinetic energy of the ejected electron is given by the equation
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This is a previous-year question from JEE Main 2014, covering the Structure of Atom chapter of Chemistry. 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.