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In a sample of H-atoms electrons are de-...

In a sample of H-atoms electrons are de-exicited from `4^(th)` excited state to ground state. Which is/are correct statement ?

A

No line observed in P-fund series.

B

Total ten lines observed in spectrum.

C

`4` line in UV-region and `3` line in visible region observed.

D

One line observed in Brackkett series.

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Knowledge Check

  • In a sample of H-atom electrons make transition from 5^(th) excited state to ground state, producing all possible types of photons, then number of lines in infrared region are

    A
    4
    B
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    C
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  • In a sample of H- atom electrons make transition from 5^(th) excited state to ground state, producing all possible types of photons, then number of lines in infrared region are

    A
    4
    B
    5
    C
    6
    D
    3

  • In a H-like sample, electrons make transition from 4^(th) excited state upto 2^(nd) state. Then ,

    A
    `10` different spectral lines are observed
    B
    `6` different spectral lines are observed
    C
    number of lines belonging to the balmer series is `3`
    D
    Number of lines belonging to paschen series is `2`

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