The wavelength of an electron beam is measured to be 9000


The wavelength of an electron beam is measured to be 900.0 nm. What is the velocity of the electrons?

In the same beam, the uncertainty in the momentum is 6.626 * 10?25 kg m/s. (the uncertainty in the beam's wavelength is ± 0.5 nm) What is the minimum uncertainty in the position of the electron?

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Chemistry: The wavelength of an electron beam is measured to be 9000
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