Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Structure of Atom question

2020 · 5 Sep · Shift 1 · Q4
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Structure of Atom
  5. /2020 · 5 Sep · Shift 1 · Q4

Structure of Atom question

2020 · 5 Sep · Shift 1 · Q4

JEE MainChemistryStructure of AtomMCQ+4 / −1
The difference between the radii of 3rd and 4th orbits of Li2+Li^{2+}Li2+ is R1 . The difference between the radii of 3rd and 4th orbits of He+He^+He+ is Δ\DeltaΔ R2 . Ratio Δ\DeltaΔ R1 : Δ\DeltaΔ R2 is :
  1. A
    8 : 3
  2. B
    3 : 2
  3. C
    2 : 3
  4. D
    3 : 8
PreviousNext

More from Structure of Atom

  • The correct statement about probability density (except at infinite distance from nucleus) is :2020 · MCQ
  • The number of orbitals associated with quantum number n = 5, ms = +21​ is :2020 · MCQ
  • For the Balmer series in the spectrum of H atom, u=RH​{n12​1​−n22​1​}, the correct statements among (I) to (IV) are : (I) As wavelength decreases, the lines in the series converge…2020 · MCQ
  • Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the sum of (x), (y) an (z) is :2020 · MCQ
  • The radius of the second Bohr orbit, in terms of the Bohr radius, a0, in Li2+ is :2020 · MCQ
  • The de Broglie wavelength of an electron in the 4th Bohr orbit is :2020 · MCQ
  • The quantum number of four electrons are given below : n = 4, l = 2, ml =–2, ms = –1/2 n = 3, l = 2, ml = 1, ms = +1/2 n = 4, l = 1, ml = 0, ms = +1/2 n = 3, l = 1, ml = 1, ms = –1/2 The correct order of their increasing enegies will be :2019 · MCQ
  • If p is the momentum of the fastest electron ejected from a metal surface after the irradiation of light having wavelength λ, then for 1.5 p momentum of the photoelectron, the wavelength of the light should be: (Assume kinetic…2019 · MCQ