Problem: The deBroglie wavelengths of a moving electron are given. Which wavelength would correspond to the greatest speed of the moving electron?a. 8.25 x 10 9 mb. 1.35 x 10 -13 mc. 8.25 x 10 12 md. 1.21 x 10 -6 me. 1.21 x 10 -10 m 

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FREE Expert Solution

We’re being asked to determine the de Broglie wavelength of an electron corresponding to the greatest speed.


Recall that the de Broglie wavelength (λ) can be calculated using:



λ=hmv


where: 

h = Planck's constant (6.626 × 10–34 kg • m2/s)

m = mass (in kg)

v = velocity (in m/s)


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Problem Details

The deBroglie wavelengths of a moving electron are given. Which wavelength would correspond to the greatest speed of the moving electron?

a. 8.25 x 10 9 m

b. 1.35 x 10 -13 m

c. 8.25 x 10 12 m

d. 1.21 x 10 -6 m

e. 1.21 x 10 -10

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