The figure shows an electron transition in a hydrogen atom from an excited Bohr orbit to the ground state. Select the correct statements. Image

Select all that apply

• Option A

  Average change in angular momentum is 3h/(2π)

• Option B

  Ratio λ₂/λ₁ = 4

• Option C

  Emitted photon energy is approximately 12.75 eV

• Option D

  Ratio of orbital time periods is 4³