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2. structure of atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
If electron, hydrogen, helium and neon nuclei are all moving with the velocity of light, then the wavelengths associated with these particles are in the order
  • ✓
    Electron > hydrogen > helium > neon
  • B
    Electron > helium > hydrogen > neon
  • C
    Electron < hydrogen < helium < neon
  • D
    Neon < hydrogen < helium < electron
✓

Answer

Correct option: A.
Electron > hydrogen > helium > neon
a
(a) $\lambda \, \propto \frac{1}{m},\,{m_e} < {m_H} < {m_{He}} < {m_{Ne.}}$

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