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Structure of At...

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  • Question 1
    4 / -1

    Splitting of spectral lines under the influence of magnetic field is called

  • Question 2
    4 / -1

    The total number of orbitals in a shell with principal quantum number ‘n’ is

  • Question 3
    4 / -1

    The ratio of specific charge of a proton and an α – particle is

  • Question 4
    4 / -1

    Which of the following sets of quantum numbers belongs to highest energy ?

  • Question 5
    4 / -1

    According to Bohr’s theory, the energy required for the transition of H atom from n = 6 to n = 8 state is

  • Question 6
    4 / -1

    What will be de – Broglie wavelength of an electron moving with a velocity of 1·20 × 105ms–1?

  • Question 7
    4 / -1

    The third line of the Balmer series. in the emission spectrum of the hydrogen atom, is due to the transition from the

  • Question 8
    4 / -1

    The highest number of unpaired electrons are w present in

  • Question 9
    4 / -1

    Rutherford’s atomic model suggests the existence

  • Question 10
    4 / -1

    Which is not true with respect to cathode rays?

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