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15. Minimum de Broglie wavelength is associated with (Assume all are moving with same velocity)(1) Electron(2) Proton(3) CO, molecule(4) SO, molecule​

Answer»

Answer:

Among the given PARTICLES, Proton will have the minimum de Broglie wavelength.

Explanation:

  • This is because de Broglie’s wavelength DEPENDS upon the mass and velocity of a particle, and ASSUMING the velocity of all the particles are same, the mass of the particle will determine its wavelength.
  • De Broglie’s wavelength \lambda=\frac{h}{m v}  where h is the Planck’s constant, m is the mass and v is the velocity of the particle.
  • The molecular mass of SO is greater than that of CO and hence it will have the minimum de Broglie’s wavelength.
  • The electron has smallest mass and hence will have maximum wavelength followed by proton and CO.



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