JEE Main 2002 — Dual Nature of Matter Question with Solution
JEE Main 2002
Question
Sodium and copper have work functions and respectively. Then the ratio of the wave lengths is nearest to
Choose an option
Show full solutionCorrect option: C
Correct answer
C2 : 1
Step-by-step explanation
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This is a previous-year question from JEE Main 2002, 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.