3. A free electron initially moves along the positive x-axis direction with the de Broglie wavelength of 0.2 nm. If this election is further accelerated by 1.0 KeV along the positive x-axis direction, what is the de Broglie wavelength of the electron after the acceleration?
3. A free electron initially moves along the positive x-axis direction with the de Broglie wavelength of 0.2 nm. If this election is further accelerated by 1.0 KeV along the positive x-axis direction, what is the de Broglie wavelength of the electron after the acceleration?
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Transcribed Image Text:3. A free electron initially moves along the positive x-axis direction with the de Broglie
wavelength of 0.2 nm. If this election is further accelerated by 1.0 KeV along the
positive x-axis direction, what is the de Broglie wavelength of the electron after the
acceleration?
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