A) 1:1/2:1/3
B) 1:2:3
C) 1:4:9
D) 1:8:27
Correct Answer: C
Solution :
[c] \[r=\frac{{{n}^{2}}{{a}_{0}}}{Z},\](when n=1, Z=1) \[{{r}_{1}}={{a}_{0}}\] \[{{r}_{2}}=4{{a}_{0}}\](when n=2, Z=1) \[{{r}_{3}}=9{{a}_{0}}\](when n=3, Z=1) Hence, ratio is 1:4:9.You need to login to perform this action.
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