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Among the fol...

Question

Among the following, number of metal/s which can be used as electrodes in the photoelectric cell is _____ (Integer answer)
$L i N a R b C s$

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Solution

Among the given alkali metals, only cesium (Cs) is used as electrode in the photoelectric cell due to its lowest ionisation energy.

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Q. Among the following, the number of metal/s which can be used as electrodes in the photoelectric cell is:
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[AIIMS 1982]

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