What Is the Wavelength of an Electron (Mass = 9

question 81

Multiple Choice

What is the wavelength of an electron (mass = 9.11×10 ^{- 31} kg) moving with a velocity of 60 m/s (h = 6.6×10 ^{- 34} J × s) ?

• A) 2.8×10 ^{- 5} m
• B) 3.6×10 ^{- 7} m
• C) 1.2×10 ^{- 5} m
• D) 4.2×10 ^{- 7} m
• E) none of these

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