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| 1. |
The work function for Ceasium atom is 1.9 eV. Calculate the threshold frequency |
| Answer» Solution :WORK FUNCTION `(w_0)=h_v,` where V0 is the THRESHOLD frequency `w_0=1.9__eV=1.9xx1.602xx10^(-19)JthereforeV_0=w_0/h=(1.9xx1.602xx10^(-19))/(6.626xx10^(-34))=4.594xx10^14s^(-1)` | |