The nucleus which has radius one third of the radius of Cs 189 is
Be 9 F 19 C 12 Li 7
In Bohr model the hydrogen atom, the lowest orbit corresponds to Infinite energy zero energy The minimum energy The maximum energy
The transition the state n=4 to n=1 in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition form 3 -> 2 5 -> 4 4 -> 2 2 -> 1
Bohrs atomic model is opposed by : Heisenbergs uncertainty principle Orbital theory Paulis exclusion principle All the above
de-Broglies equation is applicable to : Neutron Proton Electron All substances in motion
The constituents of an atomic nucleus are : Proton and neutron Protan and electron Neutron and electron Protan,neutron and electron
Zeeman effect explains : Scattering of light due to colloidal particles Separation of lines in emission spectrum in a magnetic field Emmission of electrons from metals when light falls on them None of the above
What is the maximum number of electrons which can be accommodated in an atom in which the highest pr 8 18 36 54
The filling of atomic orbitals is in the order of increasing energy. This rule is called : Aufbau principle Hunds rule de-Broglies principle Exclusion principle
Bohrs model explains : Spectrum of hydrogen molecule Solar spectrum Spectrum of an ion or atom with single electron only spectrum of hydrogen atom