Multiple Choice
Planck's constant is h = 6.6 * 10-34 Js and the electron mass is 9.1* 10-31 kg.The de Broglie wavelength of an electron whose speed is 108 m/s is
A) 5.9 * 10-56 m.
B) 1.5 * 10-19 m.
C) 7.3 * 10-12 m.
D) 1.4 * 1011 m.
Correct Answer:
Verified
Correct Answer:
Verified
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