Question #201698

Determine the threshold frequency in a metal with work function of 2.5ev


1
Expert's answer
2021-06-02T09:35:37-0400
f0=W0hf0=2.5⋅1.6⋅10−196.6⋅10−34=6.1⋅1014Hzf_0=\frac{W_0}{h}\\f_0=\frac{2.5\cdot1.6\cdot10^{-19}}{6.6\cdot10^{-34}}=6.1\cdot10^{14}Hz


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