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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
- A stationary particle explodes into two particles of masses m₁ and m₂ which move
- A circular disc rolls down an inclined plane.The ratio of rotational kinetic energy
- In insulators (CB is Conduction Band and VB is Valence Band)
- A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
- The fluctuation in the input voltage of 200 V to a domestic circuit is +10V
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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