January 2022

Sommerfelds modification in Bohrs model is

Rutherford bombarded ______________ particles in discovery of nucleus

Increase in atomic number is observed during

The value of e/m ratio of electron is

Planks theory says energy is emitted

2nd orbit is _______ away from nucleus of H-atom as compared to 1st orbit is

Charge of electron was measured by

Free neutron changes into proton with the emission of

Positive rays give flash on

The maximum number of orbitals present in a subshell that is represented by Azimuthal quantum number = 3 will be