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Solution: An electron is traveling at a speed of 3.00 x 105 m/s. What ...

Question

An electron is traveling at a speed of 3.00 x 105 m/s. What is its de Broglie wavelength? 

a) 0.64 nm

b) 1.87 nm

c) 2.42 nm

d) 4.31 nm

e) Electrons do not have detectable wavelengths.