Atoms - Result Question 20
21. The transition from the state $n=3$ to $n=1$ in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from :
[2012M]
(a) $2 \to 1$
(b) $3 \to 2$
(c) $4 \to 2$
(d) $4 \to 3$
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Answer:
Correct Answer: 21. (d)
Solution:
- (d) $\because$ The frequency of the transition $v \propto \frac{1}{n^{2}}$, when $n=1,2,3$.
