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1. A photon with a wavelength of 4.52 nm strikes a surface and emits an electron with kinetic energy of 177 eV (electron volts). What
1. A photon with a wavelength of 4.52 nm strikes a surface and emits an electron with kinetic energy of 177 eV (electron volts). What is the binding energy of the electron in J?
1 electron volt = 1.602 x 10-19 J
2. Electrons are observed as particles or waves depending on:
what experiment is performed
the location of the experiment
their mood
what atom they are in
3. Calculate the de Broglie wavelength of a 142 g ball traveling at 38.74 m/s. Assume the ball can be modeled as a single particle. Give your answer to 3 sig figs.
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