Question

Whuch metal is used commonly in photoelectric cells

Answer 1

Answer:

Cesium

Explanation:

Alkali metals used to have low ionisation enthalpies and therefore, the electrons are easily ejected when exposed to light. Among alkali metals, cesium has lowest ionisation enthalpy and hence it can show photoelectric effect to the maximum extent and therefore preferred in photoelectric cell.

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Answer 2

Answer:

cesium is the metal used largely in photoeletric cells

Explanation: