Photons of energy 4.3 eV are incident on a photosensitive surface of work function 2 3…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
Photons of energy 4.3 eV are incident on a photosensitive surface of work function 2·3 eV. The stopping potential for photoelectrons is:
- 2.0 eV
- 2.3 eV
- 4.3 eV
- 6.6 eV
Answer
(A) 2.0 eV
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