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Wave number of a spectral line for a given transition is x cm-1 for He+, then its value for Be3+ (isoelectronic of He+)for the same transition is
  • a)
    x cm-1
  • b)
    4x cm-1
  • c)
  • d)
    2x cm-1
Correct answer is option 'B'. Can you explain this answer?
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Wave number of a spectral line for a given transition is x cm-1 for He...


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Wave number of a spectral line for a given transition is x cm-1 for He...
The spectral lines of the transitions are directly proportional to the square of atomic number (Z^2).
1/λ = wavenumber = RhZ^2(1/n1^2 −1/n2^2)
For, He^+ , the wave number = x /cm
Then for Be^3+, the wave number will be 4x /cm
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Wave number of a spectral line for a given transition is x cm-1 for He...


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Wave number of a spectral line for a given transition is x cm-1 for He+, then its value for Be3+ (isoelectronic of He+)for the same transition isa)x cm-1b)4x cm-1c)d)2x cm-1Correct answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Wave number of a spectral line for a given transition is x cm-1 for He+, then its value for Be3+ (isoelectronic of He+)for the same transition isa)x cm-1b)4x cm-1c)d)2x cm-1Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Wave number of a spectral line for a given transition is x cm-1 for He+, then its value for Be3+ (isoelectronic of He+)for the same transition isa)x cm-1b)4x cm-1c)d)2x cm-1Correct answer is option 'B'. Can you explain this answer?.
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