After an Electron Has Been Accelerated Through a Potential Difference

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