What is the wavelength associated with 150 eV electron. – InterviewSolution

1.

What is the wavelength associated with 150 eV electron.

Answer»

λ = h/√2 x m x K.E.

= 6.626 x 10^-34Js / √2 x 9.1 x 10^-31kg x 150 x 1.6 x 10-19 J

=6.626 x 10^-34 / √4368 x 10^-50 = 10^–10 m = 1 Å

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