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- #S - Block Elements (Alkali and Alkaline Earth Metals)
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Which of the following is most likely to be used in devising photoelectric cells ?
Option: 1
K
Option: 2
Rb
Option: 3
Cs
Option: 4
Na
Answers (1)
Cs is most likely to be used in devising photoelectric cells because of its low work function.
Therefore, option(3) is correct.
View full answer
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