JEE Main 2020 — Dual Nature of Matter Question with Solution
JEE Main 2020 (06 Sep Shift 1)
Question
An electron, a doubly ionized helium ion () and proton are having the same kinetic energy. The relation between their respective de-Broglie wavelength and is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
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This is a previous-year question from JEE Main 2020, 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.