9. Quantum Mechanics
De Broglie Wavelength
16PRACTICE PROBLEM
Calculate the de Broglie wavelength of an electron moving at a speed of 4.00x105 m/s.
Calculate the de Broglie wavelength of an electron moving at a speed of 4.00x105 m/s.
ANSWERS OPTIONS
A
1.81 nm
B
2.42 nm
C
4.00 nm
D
5.21 nm
E
Electrons do not have detectable wavelengths.