Physics-
General
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Question

Statement 1: Balmer series lies in the visible region of electromagnetic spectrum.

Statement 2: 1 over lambda equals straight R open parentheses 1 over 2 squared minus 1 over straight n squared close parentheses  where straight n equals 3 comma 4 comma 5

  1. Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1
  2. Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1
  3. Statement 1 is True, Statement 2 is False
  4. Statement 1 is False, Statement 2 is True

The correct answer is: Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1


    The wavelength in Balmer series is given by
    table attributes columnalign right left right left right left right left right left right left columnspacing 0em 2em 0em 2em 0em 2em 0em 2em 0em 2em 0em end attributes row cell 1 over lambda equals straight R open parentheses 1 over 2 squared minus 1 over straight n squared close parentheses comma straight n equals 3 comma 4 comma 5 horizontal ellipsis end cell row cell 1 over lambda subscript max equals straight R open parentheses 1 over 2 squared minus 1 over 3 squared close parentheses end cell row cell 1 over lambda subscript max equals fraction numerator 36 over denominator 5 straight R end fraction equals fraction numerator 36 cross times 1 over denominator 5 cross times 1.097 cross times 10 to the power of 7 end fraction equals 6563 text Å end text end cell row cell text  and  end text 1 over lambda subscript min equals straight R open parentheses 1 over 2 squared minus 1 over straight infinity squared close parentheses end cell row cell lambda subscript min equals 4 over straight R equals fraction numerator 4 over denominator 1.097 cross times 10 to the power of 7 end fraction equals 3646 text Å end text end cell end table

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