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A certain metallic surface is illuminated with monochromatic light of wavelength λ. The stopping potential for photoelectric current for this light is 3V₀. If the same surface is illuminated with light of wavelength 2λ, the stopping potential is V₀. The threshold wavelength for this surface for photoelectric effect is
Options
(a) 6λ
(b) 4λ
(c) λ/4
(d) λ/6
Correct Answer:
4λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
- Resistances n, each r Ω, when connected in parallel give an equivalent resistance
- A 6 volt battery is connected to the terminals of a three metre long wire of uniform
- Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two wires of equal length and equal diameter and having resistivities ρ₁ and ρ₂
- A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
- Resistances n, each r Ω, when connected in parallel give an equivalent resistance
- A 6 volt battery is connected to the terminals of a three metre long wire of uniform
- Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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