A) 1/25
B) 1/5
C) 25
D) 4
Correct Answer: A
Solution :
\[{{r}_{a}}=5{{r}_{b}}\]; \[\frac{{{d}_{a}}}{{{d}_{b}}}={{\left[ \frac{{{r}_{b}}}{{{r}_{a}}} \right]}^{2}}={{\left( \frac{1}{5} \right)}^{2}}=\frac{1}{25}\]
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