Find the velocity of an electron emitted by a metal whose threshold frequency is 2.25 *

Chapter 7, Problem 97

(choose chapter or problem)

Find the velocity of an electron emitted by a metal whose threshold frequency is \(2.25\times10^{14}\mathrm{\ s}^{-1}\) when it is exposed to visible light of wavelength \(5.00 \times 10^{-7} \mathrm{\ m}\).

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