Q: The transition from the state n = 4 to n = 3 in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition
(A) 2 → 1
(B) 3 → 2
(C) 4 → 2
(D) 5 → 4
Ans: (D)
Sol: Energy of infrared radiation is less than Energy of ultraviolet radiation . In Option (D) energy released will be less .