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A certain metallic surface is illuminated with monochromatic light of wavelength,λ. The stopping
potential for photo-electric current for this light is 3V0. If the same surface is illuminated with light of
wavelength 2 λ, the stopping potential is V0. The threshold wavelength for this surface for photoelectric
effect is :
  • a)
    λ/6
  • b)
  • c)
  • d)
    λ/4
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A certain metallic surface is illuminated with monochromatic light of ...
We have,
where W is the work function and (3V0) is the stopping potential when monochromatic light of
wavelength λ is used.
where V0 is the stopping potential when monochromatic light of wavelength 2λ is used. Subtracting equation (2) from equation (1)
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A certain metallic surface is illuminated with monochromatic light of ...
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A certain metallic surface is illuminated with monochromatic light of wavelength,λ. The stoppingpotential for photo-electric current for this light is 3V0. If the same surface is illuminated with light ofwavelength 2 λ, the stopping potential is V0. The threshold wavelength for this surface for photoelectriceffect is :a)λ/6b)6λc)4λd)λ/4Correct answer is option 'C'. Can you explain this answer?
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A certain metallic surface is illuminated with monochromatic light of wavelength,λ. The stoppingpotential for photo-electric current for this light is 3V0. If the same surface is illuminated with light ofwavelength 2 λ, the stopping potential is V0. The threshold wavelength for this surface for photoelectriceffect is :a)λ/6b)6λc)4λd)λ/4Correct answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A certain metallic surface is illuminated with monochromatic light of wavelength,λ. The stoppingpotential for photo-electric current for this light is 3V0. If the same surface is illuminated with light ofwavelength 2 λ, the stopping potential is V0. The threshold wavelength for this surface for photoelectriceffect is :a)λ/6b)6λc)4λd)λ/4Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A certain metallic surface is illuminated with monochromatic light of wavelength,λ. The stoppingpotential for photo-electric current for this light is 3V0. If the same surface is illuminated with light ofwavelength 2 λ, the stopping potential is V0. The threshold wavelength for this surface for photoelectriceffect is :a)λ/6b)6λc)4λd)λ/4Correct answer is option 'C'. Can you explain this answer?.
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