Calculate the frequency of the photon whose energy is required to eject a surface electron with a kinetic energy of 1.97×10^-¹⁶ev if the work function of the metal is 1.33×10^-¹⁶ev. (note that 1 electron volt =1.6×10^-¹⁹ h=6.63×10^-³⁴Joules)?
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Asked by Aliyu on 17th November, 2020
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