bohrs atomic model

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According to Bohr’s atomic model, angular momentum of electron in nth orbit is equal to an integral multiple of

According to Bohr’s atomic model, angular momentum of electron in nth orbit is equal to an integral multiple of
  • A. 2h/π
  • B. h/2π
  • C. h/π
  • D. nh/2π
  • Correct Answer: Option B

With increasing quantum number, energy difference between adjacent levels in atoms

With increasing quantum number, energy difference between adjacent levels in atoms
  • A. decreases
  • B. increases
  • C. remain constant
  • D. zero
  • Correct Answer: Option A

Bohr’s atomic model is based upon

Bohr’s atomic model is based upon
  • A. Einstein's relativistic theory
  • B. classical theory
  • C. planks quantum theory
  • D. both b and c
  • Correct Answer: Option D

Velocity of electron in second Bohr’s orbit as compared to velocity in first orbit is

Velocity of electron in second Bohr’s orbit as compared to velocity in first orbit is
  • A. equal
  • B. one half
  • C. 2 times
  • D. one fourth
  • Correct Answer: Option B

Ratio of minimum to maximum wavelength in Ballmer series is

Ratio of minimum to maximum wavelength in Ballmer series is
  • A. 0.214583333333333
  • B. 0.233333333333333
  • C. 1:04
  • D. 3:04
  • Correct Answer: Option A