Matter Waves: An electron is accelerated from rest through a potential difference. After acceleration the electron has a wavelength of 880 nm. What is the potential difference responsible for the acceleration of the electron? (h = 6.626 × 10-34 J ? s, melectron = 9.11 × 10-31 kg, e = 1.6 10-19 C)
A. 1.9 × 10-6 V
B. 1.7 × 10-6 V
C. 2.2 × 10-6 V
D. 2.5 × 10-6 V
Answer: A
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