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Relationship b/w de brogli wavelength of electron and alpha particle if their K.E. is same?

Relationship b/w de brogli wavelength of electron and alpha particle if their K.E. is same?

Grade:12

1 Answers

Indrani
11 Points
7 years ago
Since the alpha partica and the electron have the same kinetic energies, they must have the same velocities as their mass cannot be the same.
Wavelength of the electron=h/mv.
Mass of alpha particle is four times that of an electron.
Wavelength of apha particle=h/4mv. 
Wavelength of the electron : Wavelength of apha particle =4 : 1.
Hope this helps. Please approve this answer.

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