The de Broglie wavelength of an electron is 380 nm. What is the speed of this electron?

A) 2.04 × 103 m/s
B) 3.83 × 103 m/s
C) 1.92 × 103 m/s
D) 4.12 × 103 m/s
E) 5.22 × 103 m/s


C

Physics & Space Science

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