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OpenStudy (anonymous):
Photoelectrons with a maximum speed of 7.00 · 105 m/s are ejected from a surface in the presence of light with a frequency of 8.00 · 1014Hz. Calculate, in joules, the energy of incident photons. What formula should I use here?
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OpenStudy (sidsiddhartha):
i thinh E=hc/lamda=h*(w) can be used where w=frequency
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