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The De Broglie Wavelength of an Electron Is 8

Question 134

Multiple Choice

The de Broglie wavelength of an electron is 8.7 × 10-11 m. The mass of an electron is 9.1 × 10-31 kg. The velocity of this electron is __________ m/s.


A) 8.4 × 10-3
B) 1.2 × 10-7
C) 6.9 × 10-5
D) 8.4 × 106

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