<p>The electron in a H-atom first jumps for 3rd to 2nd excited state and subsequently to first excited state. The ratio of the respected wavelength&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mi>&#955;</mi><mn>1</mn></msub><mo>/</mo><msub><mi>&#955;</mi><mn>2</mn></msub></math>&nbsp;of the photon emitted during the process is:</p>