JEE Main 2009 — Structure Of Atom Question with Solution
From: AIEEE 2009
Question
Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 x 103 ms−1
(Mass of proton = 1.67 10-27 kg and h = 6.63 10-34 Js) :
Choose an option
Show full solutionCorrect option: A
Correct answer
A0.40 nm
Step-by-step explanation
Wavelength =
=
= 0.4 10-9
= 0.4 nm
=
= 0.4 10-9
= 0.4 nm
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This is a previous-year question from JEE Main 2009, 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.