Question: At what speed is an electrons de Broglie wavelength (a) 1.0 pm, (b) 1.0 nm, (c) 1.0 m, (d) 1.0 mm?

At what speed is an electron’s de Broglie wavelength

(a) 1.0 pm,

(b) 1.0 nm,

(c) 1.0 μm,

(d) 1.0 mm?

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