Multiple Choice
Planck's constant is h = 6.6 × 10-34 Js and the electron mass is 9.1 × 10-31 kg. The speed of an electron whose de Broglie wavelength is 10-10 is
A) 6.6 × 10-24 m/s.
B) 3.8 × 103 m/s.
C) 7.3 × 106 m/s.
D) 1010 m/s.
Correct Answer:
Verified
Correct Answer:
Verified
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