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1. In an experiment designed to measure the charge-to-mass ratio of the electron, electrons are accelerated...

1. In an experiment designed to measure the charge-to-mass ratio of the electron, electrons are accelerated from rest through a potential difference of 2000 volts. What is the de Broglie wavelength of each of these electrons? . m

2.Electrons with an energy of 0.620 eV are incident on a double slit in which the two slits are separated by 60.0 nm.

(a) What is the speed of these electrons?
m/s

(b) What is the de Broglie wavelength (in nanometers!) of these electrons?
nm

(c) What is the angle between the two second-order maxima in the resulting interference pattern?

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