A H-like species is in some excited state "A" and on absorbing a photon of energy 10.2eV gets promotedto new stateB. When the electrons from state "B" return back to ground statedirectly or indirectly, photons of a fifteen different wavelengths are observed in which only mine photon have energy greater than 10.2.eV. [Given : hc=1240 eV-nm] Determine orbit number of state "A" of hydrogen like speci.

A H-like species is in some excited state "A" and on absorbing a photo

1.	A H-like species is in some excited state "A" and on absorbing a photon of energy 10.2eV gets promotedto new stateB. When the electrons from state "B" return back to ground statedirectly or indirectly, photons of a fifteen different wavelengths are observed in which only mine photon have energy greater than 10.2.eV. [Given : hc=1240 eV-nm] Determine orbit number of state "A" of hydrogen like speci.
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a><br/>3<br/>4<br/>5</p>Solution :`A=n_(1),B=n_(2)` <br/> `n_(2)(n_(2)-1)=30rArrn_(2)=<a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a>`<br/>`10.2=13.6""<a href="https://interviewquestions.tuteehub.com/tag/z-750254" style="font-weight:bold;" target="_blank" title="Click to know more about Z">Z</a>^(2)[(1)/(n_(2))-(1)/(36)]`<br/> `Z& n_(1)` is an <a href="https://interviewquestions.tuteehub.com/tag/integre-2742517" style="font-weight:bold;" target="_blank" title="Click to know more about INTEGRE">INTEGRE</a><br/>`thereforeZ=3,"" n_(1)=3=A`</body></html>