Modern Physics 1 Question 23
20. 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
(2001, 2M)
(a) $2 \rightarrow 1$
(b) $3 \rightarrow 2$
(c) $4 \rightarrow 2$
(d) $5 \rightarrow 4$
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Solution:
- Energy of infrared radiation is less than the energy of ultraviolet radiation. In options (a), (b) and (c), energy released will be more, while in option (d) only, energy released will be less.
