The De Broglie Wavelength of an Electron Is 8

question 82

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 × 10³
• B)1.2 × 10^-7
• C)6.9 × 10^-5
• D)8.4 × 10⁶
• E)8.4 × 10^-3

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