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