JEE Main 2009Annual, Paper 1ChemistryEasyAtomic Structure113× since 2002
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) :
JEE Main 2009 · Annual, Paper 1 · Q2129