After an Electron Has Been Accelerated Through a Potential Difference

question 8

Multiple Choice

After an electron has been accelerated through a potential difference of 0.15 kV, what is its de Broglie wavelength? (e = 1.60 × 10^-19 C, m_electron = 9.11 × 10^-31 kg, h = 6.626 × 10^-34 J ∙ s)

• A) 0.10 nm
• B) 1.0 nm
• C) 1.0 mm
• D) 1.0 cm

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