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The stopping potential for the photo electrons emitted from a metal surface of work function 1.7eV is 10.4 V. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect.
  • a)
    n = 3 to 1
  • b)
    n = 3 to 2
  • c)
    n = 2 to 1
  • d)
    n = 4 to 1
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The stopping potential for the photo electrons emitted from a metal su...
As we know that the stopping potential of the photoelectron is equal to the maximum kinetic energy of the photoelectron,
KEmax = 10.4V
Now, in photoelectric effect,
Energy of incident radiation (Ein) = work function + K.Emax 

Now, for o hydrogen atom,
Energy of first energy level, E1 = -13.6eV
Energy of second energy level , E2 = -3.6eV
Energy of third energy level, E3 = -1.5eV
So, a transition from third to first energy level will result in emission of radiation of energy = E3 - E1 = 12.1eV which is same as the energy of incident radiation of above photoelectric effect. 
Thus, correct answer is n = 3 to 1.
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The stopping potential for the photo electrons emitted from a metal surface of work function1.7eVis10.4V. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect.a)n = 3 to 1b)n = 3 to 2c)n = 2 to 1d)n = 4 to 1Correct answer is option 'A'. Can you explain this answer?
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The stopping potential for the photo electrons emitted from a metal surface of work function1.7eVis10.4V. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect.a)n = 3 to 1b)n = 3 to 2c)n = 2 to 1d)n = 4 to 1Correct answer is option 'A'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about The stopping potential for the photo electrons emitted from a metal surface of work function1.7eVis10.4V. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect.a)n = 3 to 1b)n = 3 to 2c)n = 2 to 1d)n = 4 to 1Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The stopping potential for the photo electrons emitted from a metal surface of work function1.7eVis10.4V. Identify the energy levels corresponding to the transitions in hydrogen atom which will result in emission of wavelength equal to that of incident radiation for the above photoelectric effect.a)n = 3 to 1b)n = 3 to 2c)n = 2 to 1d)n = 4 to 1Correct answer is option 'A'. Can you explain this answer?.
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