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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 force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- Two resistors of 6Ω and 9Ω are connected in series to a 120 V source.
- An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed
- C and Si both have same lattice strcture, having 4 bonding electron in each
- An interference pattern was made by using red light. If the red light
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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