MHT CET202124 Sep 2021Morning ShiftPhysicsAtomic PhysicsActual
Energy of electron in the second orbit of hydrogen atom is E. The energy of electron ' E₃ ' in the third orbit of helium ( . He ) atom will be
Options
- AE₃= 4 E 9
- BE₃= 16 E 3
- CE₃= 16 E 9
- DE₃= 4 E 3
Correct answer
A. E₃= 4 E 9
Step-by-step solution
aligned & E 1 n ^2 & E ₃ E ₂ = 4 9 & E ₃= 4 9 E ₂ aligned