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In a photoelectric-effect experiment, the wavelength of light shining on an aluminum cathode is decreased from 249nm to 207nm .
What is the change in the stopping potential?
delta V_stop = ______________ V
There is 7 total 100 W light bulbs in a parallel circuit your basement, how much energy in kilowatt hours would be used
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When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is measured to be 1.10 eV. What is the maximum kinetic energy of the photoelectrons
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