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Though there is only one electron in a hydrogen atom, the spectrum of hydrogne contains a number of lines, How do you explain this?

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(i) Bohr's model of atom
(ii) relation between energy absorbed and excitation
(iii) relation between the path of electron during dedxacitation and energy emitted
(iv) relation between energy emitted and spectrum

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Updated on:21/07/2023
Class 9CHEMISTRYSTRUCTURE OF ATOM

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  • Question 1 - Select One

    What is the number of spectral line in a hydrogen spectrum ?

    AInfinite
    B1
    C3
    D4
  • Question 1 - Select One

    In Balmer series of hydrogen atom spectrum which electronic transition causes third line ?

    AFifth Bohr orbit to second one
    BFifth Bohr orbit to first one
    CFourth Bohr orbit to second one
    DFourth Bohr orbit to first one
  • Question 1 - Select One

    In Balmer series of H atom spectrum, which electronic transitions represents 3rd line?

    AFifth Bohr orbit to second one
    BFifth Bohr orbit to first one
    CFourth Bohr orbit to second one
    DFourth Bohr orbit to first one
  • Question 1 - Select One

    Hydrogen atom electron is excited to n = 4 state , in the spectrum of emitted radiation , number of lines in the ultravoilet and visible regions are respectively :-

    A3 , 1
    B1 , 3
    C2 , 3
    D3 , 2
  • Question 1 - Select One

    The wave number of first emission line in the atomic spectrum of hydrogen in the Balmer series is

    A5R36cm−1
    B3R4cm−1
    C7R144cm−1
    D9R400cm−1
  • Question 1 - Select One

    Which element has a hydrogen like spectrum whose lines have wavelength one fourth of atomic hydrogen ?

    AHe+
    BLi2+
    CBe3+
    DB4+

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