When a piece of metal is illuminated by a monochromatic light of wavelength λ, then…
Chemistry · NEET · NTA Exams — Structure of Atom
When a piece of metal is illuminated by a monochromatic light of wavelength λ, then stopping potential is 3Vs. When same surface is illuminated by light of wavelength 2 λ, then stopping potential becomes Vs. The value of threshold wavelength for photoelectric emission will be
- 4 λ
- 8 λ
- \(\frac{4}{3} \lambda\)
- 6 λ
Answer
(A) 4 λ
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