AP EAMCET Engineering 22 Sep 2020 Shift 2 Paper

Energy levels A,B,C of a certain atom correspond to increasing values of energy that is, EA < EB < EC. If λ1, λ2, λ3 are the wavelengths of radiations corresponding to the transitions C to B, B to A and C to A respectively, as shown in figure. Which of the following statements is correct ?