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If the wave-number of a spectral line of...

If the wave-number of a spectral line of Brackett series of hydrogen is `(9)/(400)` times the Rydberg constant.What is the state from which the transition has taken place ?

A

n=4

B

n=5

C

n=6

D

n=7

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Knowledge Check

  • The wave number of a photon in Brakett series of hydrogen atom is (9)/(400) R. the electron has transited from the orbit having quantum number.

    A
    5
    B
    6
    C
    4
    D
    7

  • The wave number of the spectral line in the emission spectrum of hydrogen will be equal to (8)/(9) times the Rydberg's constant if the electron jumps from …………..:-

    A
    n=3 to n=1
    B
    n=10 to n=1
    C
    n=9 to n=1
    D
    n=2 to n=1

  • The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8/9 times the Rydberg's constant if the electron jumps from

    A
    `n = 3 " to " n = 1`
    B
    `n = 10 " to " n = 1`
    C
    `n = 9 " to " n = 1`
    D
    `n = 2 " to " n = 1`

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