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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.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is true for number of spectral lines in going from Lyman series
- If force(F),length(L) and time(T) be considered fundamental units, then the units of mass
- To convert a 800 mV range millivoltmeter of resistance 40Ω into an ammeter of 100 mA
- A solid sphere of mass M, radius R and having moment of inertia about an axis passing
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
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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