Metal absorbs a photon of frequency
The work function φ is the energy required to eliminate an electron from a metal. In terms of h, f, and φ, gives the kinetic energy, K, of the ejected electron if the metal absorbs a photon of frequency f (imagine photoelectric effect).
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A chandelier of 25.1 kg is hanged from the ceiling by four vertical steel wires. Each and every wire has an unloaded length of 1.01 m and a diameter of 2.07 mm, and each bears an equivalent load. If the chandelier is suspended, determine how far d
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At this point, the magnetic field of earth points to the north and dips beneath the horizontal. Which side of the coil tends to lift off of the table since of the torque caused by current interaction by the magnetic field?
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