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The work function for aluminum is 4.08 eV.
(a) Find the cutoff wavelength for aluminum.
(b) What is the lowest frequency of light incident on aluminum that releases photoelectrons from its surface?
Hz
(c) If photons of energy 5.70 eV are incident on aluminum, what is the maximum kinetic energy of the ejected photoelectrons?
eV
given an electric dipole moment p, in a region of uniform Eo. determine the torque of the dipole moment
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Two charges are fixed on the x axis: one with a charge of = 5.00 at = -1.00 and the other with a charge of = 3.00 at = 1.50 . Find the force exerted on a charge = -5.00 placed at the origin (x=0). What are the magnitudes of the three charges q, q1..
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A small 12.3 g plastic ball is tied to a very light 28.6 cm string that is attached to the vertical wall of a room, Find the magnitude and direction of the electric field in the room
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