The metal mainly used in devising photoelectric cells is : (A) Li (B) Rb (C) Cs (D) Na — JEE Mains Chemistry Past Papers Chemistry Question
Question
The metal mainly used in devising photoelectric cells is : (A) Li (B) Rb (C) Cs (D) Na
Answer: C
💡 Solution & Explanation
Cesium has lowest ionisation enthalpy and hence it can show photoelectric effect to the maximum extent hence it is used in photo electric cell.
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