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Atoms and Nucle...

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  • Question 1
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    The frequency of 1st line of Balmer series in H2 atom is v0. The frequency of line emitted by singly ionized Heatom is

  • Question 2
    4 / -1

  • Question 3
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    The possible quantum numbers for 3d electrons are

  • Question 4
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    The radius of the first (lowest) orbit of the hydrogen atom is a0. The radius of the second (next higher) orbit will be

  • Question 5
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    In which of the following systems will the radius of the first orbit (n = 1) be minimum?

  • Question 6
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    The shortest wavelength in the Lyman series of hydrogen spectrum is 912 Å corresponding to a photon energy of 13.6 eV. The shortest wavelength in theBalmer series is about

  • Question 7
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  • Question 8
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    The Bohr model of atom

  • Question 9
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    Taking Rydberg\'s constant RH = 1.097 × 107 m, firstand second wavelength of Balmer series in hydrogen spectrum is

  • Question 10
    4 / -1

    Which of the relation is correct between time period and number of orbits while an electron is revolving in an orbit?

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