If photons of frequency u are incident on the surfaces of metals. A & B of threshold…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
If photons of frequency \( u\) are incident on the surfaces of metals. A & B of threshold frequencies \(\frac {v} {2}\) and \(\frac {v} {3}\) respectively, the ratio of the maximum kinetic energy of electrons emitted from A to that from B is
- 2 : 3
- 3 : 4
- 1 : 3
- \(\sqrt{3}: \sqrt{2}\)
Answer
(C) 1 : 3
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