Social Sciences, asked by varun9074, 1 year ago

Which of the following has the largest de-broglie wavelength, provided all have equal velocity?

a)carbon dioxide molecule

b)electron

c)Ammonia molecule

d)Proton

Answers

Answered by ask2109
23
wavelength is inversely proporttional to mass
Attachments:
Answered by mindfulmaisel
13

Electron has the largest de-broglie wavelength, provided all have equal velocity.

Option: (b)

Explanation:  

  • According to de Broglies wavelength, the wavelength \bold{w=\frac{h}{m u}} where 'm' is the mass and 'u' is the velocity. Here 'h' is the Planks constant.  
  • Hence the wavelength is inversely proportional to the mass when velocity is constant.
  • The mass of the electron is lesser than the mass of carbon dioxide, ammonia molecules and proton.  
  • Whereas the mass of carbon dioxide is the highest. Hence the wavelength is maximum for electron and least for carbon dioxide.
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