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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body of mass M hits normally a rigid wall with velocity V and bounces back
- A source of sound and a detector are moving along the same line with same speed
- In p- type semiconductor, the acceptor level lies
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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