Two beams, A and B whose photon energies are 3.3 eV and 11.3 eV respectively, illuminate…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
Two beams, A and B whose photon energies are 3.3 eV and 11.3 eV respectively, illuminate a metallic surface (work function 2·3 eV) successively. The ratio of maximum speed of electrons emitted due to beam A to that due to beam B is:
- 3
- 9
- \(\frac{1}{3}\)
- \(\frac{1}{9}\)
Answer
(C) 1 3
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