An Electron (M_e = 9

question 139

Multiple Choice

An electron (m_e = 9.11 *10^-31 kg) traveling with a velocity of 5.50 *10⁶ m/s has a
De Broglie wavelength of approximately

• A) 0.0710 nm
• B) 0.130 nm
• C) 0.180 nm
• D) 0.230 nm
• E) 0.550 nm

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