A certain crystal has an interatomic spacing of 0.142 nm. If a beam of electrons moving with a speed of 1400 m/s is diffracted from this crystal, what is the de Broglie wavelength of the electron?
A) 420 nm
B) 130 nm
C) 260 nm
D) 502 nm
E) 520 nm

Question

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The Answer of A certain crystal has an interatomic spacing of 0.142 nm. If a beam of electrons moving with a speed of 1400 m/s is diffracted from this crystal, what is the de Broglie wavelength of the electron?
A) 420 nm
B) 130 nm
C) 260 nm
D) 502 nm
E) 520 nm

A Certain Crystal Has an Interatomic Spacing of 0