The photoelectric threshold frequency of a metal is υ. When light of frequency 4υ is…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
The photoelectric threshold frequency of a metal is υ. When light of frequency 4υ is incident on the metal, the maximum kinetic energy of the emitted photoelectron is
- 4hu
- 3hu
- 5hu
Answer
(B) 3 h u
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