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Postronium consists of an electron and a...

Postronium consists of an electron and a position (same mass apposite charge) orbiting around their common center of mass .The specitum is, therefore expected to be hydrogen like , the difference arining from the mass difference .Calculate the wavelength of the first three line of the balmer series of positrunium

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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.

What hydrogen-like ion has the wavelength difference between the first lines of the Balmer Lyman series equal to 59.3nm ?

What hydrogen-like ion has the wavelength difference between the first lines of the Balmer Lyman series equal to 59.3nm ?

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What hydrogen like ion has wavelength difference between the first lines of Balmer and Lyman series equal to 59.3 nm?( R_H=109678 cm^-1 )

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