The threshold frequency of photosensitive metal is 0.5*10 to the power of the 15hz, calculate the work function of the metal. If a proton of frequency 0.75*10to the power of 15 hx incident on this metal surface , find the maximum kinetic energy of photoelectron emitted(express in ev.)
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Explanation:
Work function=h*f°(threshold Freq)
K.E=(hf-work function)
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