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Structure of Atom question

2021 · 24 Feb · Shift 2 · Q4
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  5. /2021 · 24 Feb · Shift 2 · Q4

Structure of Atom question

2021 · 24 Feb · Shift 2 · Q4

JEE MainChemistryStructure of AtomMCQ+4 / −1
According to Bohr's atomic theory : (A) Kinetic energy of electron is ∝Z2n2\propto {{{Z^2}} \over {{n^2}}}∝n2Z2​. (B) The product of velocity (v) of electron and principal quantum number (n), ′vn′∝Z2'vn' \propto {Z^2}′vn′∝Z2. (C) Frequency of revolution of electron in an orbit is ∝Z3n3\propto {{{Z^3}} \over {{n^3}}}∝n3Z3​. (D) Coulombic force of attraction on the electron is ∝Z3n4\propto {{{Z^3}} \over {{n^4}}}∝n4Z3​. Choose the most appropriate answer from the options given below :
  1. A
    (A), (C) and (D) only
  2. B
    (A) only
  3. C
    (C) only
  4. D
    (A) and (D) only
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