The wavelength for n=3 to n=2 transition of the hydrogen atom is 656.3nm.what are the wavelnth for same transition of (a)positronium,which consist of an e- and a positron[positron is a +vely charged e-].(b)singly ionized He.pls answer immediately?pls
The wavelength for n=3 to n=2 transition of the hydrogen atom is 656.3nm.what are the wavelnth for same transition of (a)positronium,which consist of an e- and a positron[positron is a +vely charged e-].(b)singly ionized He.pls answer immediately?pls










