A) 8 : 1
B) 6 : 1
C) 4 : 1
D) 2 : 1
Correct Answer: A
Solution :
Given: \[\frac{{{r}_{1}}}{{{r}_{2}}}=\frac{1}{2}\] From the relation, \[\frac{{{v}_{1}}}{{{v}_{2}}}=\frac{r_{2}^{3}}{r_{1}^{3}}=\frac{{{(2)}^{3}}}{{{(1)}^{3}}}=\frac{8}{1}\]You need to login to perform this action.
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