An Electron Has the Same De Broglie Wavelength as a 390

question 55

Multiple Choice

An electron has the same de Broglie wavelength as a 390 nm photon.The speed of the electron is closest to:

• A)1900 m/s
• B)2100 m/s
• C)1700m/s
• D)1500 m/s
• E)540 m/s

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