For a certain metal, incident frequency υ is five times of threshold frequency υ 0 and…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
For a certain metal, incident frequency υ is five times of threshold frequency υ0 and the maximum velocity of coming out photoelectrons is 8 × 106 m s–1. If υ = 2υ0, the maximum velocity of photoelectrons will be
- 4 × 106 m s–1
- 6 × 106 m s–1
- 8 × 106 m s–1
- 1 × 106 m s–1
Answer
(A) 4 × 10 6 m s –1
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