Starting from rest, an electron accelerates through a potential difference of 67 V. What is its de Broglie wavelength? (h = 6.63 *10 - 34 J.s, me = 9.11 *10 - 31 kg, and 1 eV = 1.60 *10 - 19 J)
A) 1.1 *10 - 10 m
B) 1.5 *10 - 10 m
C) 1.9 *10 - 10 m
D) 2.3 *10 - 10 m
Correct Answer:
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