A photon of energy 3.4 eV is incident on a metal having work function 2 eV . The maximum…
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
A photon of energy 3.4 eV is incident on a metal having work function 2 eV. The maximum K.E. of photo-electrons is equal to
- 1.4 eV
- 1.7 eV
- 5.4 eV
- 6.8 eV
Answer
(A) 1.4 eV
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