Multiple Choice
If the de Broglie wavelength of an electron is 380 nm,what is the speed of this electron? (melectron = 9.11 × 10-31 kg,h = 6.626 × 10-34 J ∙ s)
A) 2.0 km/s
B) 3.8 km/s
C) 1.9 km/s
D) 4.1 km/s
E) 5.2 km/s
Correct Answer:
Verified
Correct Answer:
Verified
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