Atomic StructureKinetic and Total Energy in Bohr Orbit46Choose the best answerFor an electron in a Bohr orbit, the ratio of kinetic energy to total energy is:A2 : 1B1 : 1C1 : −1D1 : 2 Like 0 Discuss 0Share
Atomic StructureHeisenberg Uncertainty Principle47Choose the best answerWhich principle most directly contradicts the idea of an electron moving in a precisely defined Bohr orbit?APauli exclusion principleBPlanck quantum theoryCHeisenberg uncertainty principleDHund's rule Like 0 Discuss 0Share
Atomic StructureEnergy Levels of Hydrogen48Choose the best answerThe first excited state of hydrogen has energy:A−13.6 eVB−3.40 eVC−1.51 eVD−0.85 eV Like 0 Discuss 0Share
Atomic StructureBohr's Quantization of Angular Momentum49Choose the best answerWhich statement represents the main quantization condition of Bohr's model?AElectrons are present inside the nucleusBElectrons can have any angular momentumCElectron angular momentum is an integral multiple of h/2πDElectrons remain completely stationary Like 0 Discuss 0Share
Atomic StructureEnergy of Electronic Transitions50Choose the best answerWhat energy is emitted when an electron in hydrogen falls from n = 3 to n = 2?A10.2 eVB12.09 eVC1.89 eVD0.65 eV Like 0 Discuss 0Share