CBSE Class 12-science Answered
Why are alkali metals most suited for photoelectric emission?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
The work function of alkali metals is quite low (e.g. for potassium, it is 2.3 eV and for sodium is 2 eV). As a result, they show photoelectric effect even with visible light. For this reason, alkali metals are most suited for photoelectric emission.
Answered by | 04 Jun, 2014, 03:23: PM
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