A light of frequency v is incident on a metal surface whose work function is W 0 . The…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
A light of frequency v is incident on a metal surface whose work function is W0. The kinetic energy of emitted electron is K. If the frequency of the incident light is doubled then the kinetic energy of emitted electron will be
- 2K
- more than 2K
- between K and 2K
- less than K
Answer
(B) more than 2K
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