viewimage.php?id=3db5c935ecd139aa7dbcdfb018d221&no=24b0d769e1d32ca73dec81fa11d028314d3faebecfec25ed6aa779bc795df30a7f8bafa986d15af69e5728a2a9d8aa7569a5dd0ff2ed51d6547e5d4aa70e5b76f4c6dab57de3b09a100fab



λ = 1/Ra

λ = Rb


해도 되는데.. 왜 아래 모양으로 가르치지..


병신 뤼드베리...



{rac  {1}{lambda _{{{mathrm  {vac}}}}}}=RZ^{2}left({rac  {1}{n_{1}^{2}}}-{rac  {1}{n_{2}^{2}}} ight)