JEE Main 2015 — Dual Nature of Matter Question with Solution
JEE Main 2015 (11 Apr Online)
Question
The de-Broglie wavelength associated with the electron in the level is:
Choose an option
Show full solutionCorrect option: B
Correct answer
BFour times the de-Broglie wavelength of the electron in the ground state
Step-by-step explanation
De-Broglie wavelength is given as
At ground level energy so
At level energy
at ground level
At n = 4 level
At ground level energy so
At level energy
at ground level
At n = 4 level
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This is a previous-year question from JEE Main 2015, 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.