A He + atom returns from its 4 th excited state to its 3 rd excited state and from 3 rd…
Chemistry · JEE Main · NTA Exams — Atomic Structure
A He+ atom returns from its 4th excited state to its 3rd excited state and from 3rd excited state to first 2nd excited state. The emitted radiations fall on a metallic plate of work function 5.0 eV. The maximum possible kinetic energy with which photoelectrons are emitted is
- 5.2 eV
- 2.64 eV
- 2.56 eV
- none of the above
Answer
(C) 2.56 eV
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