A positronium atom consist of an electron and a positron revolving about their common centre of mass . Calculate
Kinetic energy of the electron in ground state

A positronium atom consist of an electron and a positron revolving about their common centre of mass . Calculate Separation between the electron and positron in their first excited state.

A positronium consists of an electron and a positron revolving about their common centre of mass. Calculate the separation between the electron and positron in their first excited state:

A positronium consists of an electron and a positron revolving about their common centre of mass. Calculate the separation between the electron and positron in their first excited state:

Positronium consists of an electron and a positron (same mass opposite charge) orbiting around their common center of mass .The spectrum is, therefore expected to be hydrogen like , the difference arising from the mass difference .Calculate the wavelength of the first three line of the balmer series of positronium.

Calculate the energy of the electron in the ground state of the hydrogen atom.

The positronium consisting of an electron and a positron corresponding binding energy and wavelength of first line in Lyman series of such a system.

The positronium consisting of an electron and a positron corresponding binding energy and wavelength of first line in Lyman series of such a system.