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Structure of Atom question

2009 · Shift 0 · Q25
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Structure of Atom question

2009 · Shift 0 · Q25

JEE MainChemistryStructure of AtomMCQ+4 / −1
Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 x 103 ms−1 (Mass of proton = 1.67 ×\times× 10-27 kg and h = 6.63 ×\times× 10-34 Js) :
  1. A
    0.40 nm
  2. B
    2.5 nm
  3. C
    14.0 nm
  4. D
    0.32 nm
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