(II) An electron has a de Broglie wavelength ? = 4.5 X
Chapter 27, Problem 42P(choose chapter or problem)
Problem 42P
(II) An electron has a de Broglie wavelength λ = 4.5 X 10-10 m. (a) What is its momentum? (b) What is its speed? (c) What voltage was needed to accelerate it from rest to this speed?
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