JEE Main 2019 — Dual Nature of Matter Question with Solution
JEE Main 2019 (11 Jan Shift 1)
Question
If the deBroglie wavelength of an electron is equal to times the wavelength of a photon of frequency , then the speed of electron is equal to :
(Speed of light
Planck's constant
Mass of electron
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
de-Broglie wavelength,
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This is a previous-year question from JEE Main 2019, 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.