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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