JEE Main & Advanced
JEE Main Paper (Held On 12 May 2012)
question_answer
A hypothetical atom has only three energy levels. The ground level has energy, \[{{E}_{1}}=-8eV.\]The two excited states have energies, \[{{E}_{2}}=-6eV\]and\[{{E}_{3}}=-2eV.\]Then which of the following wavelengths will not be present in the emission spectrum of this atom?
JEE Main Online Paper (Held On 12 May 2012)