A) 1 : 8
B) ? 8 : 1
C) 1 : 2
D) ? 2 : 1
Correct Answer: B
Solution :
\[F\propto {{Q}_{1}}{{Q}_{2}}\] Þ \[\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{Q}_{1}}{{Q}_{2}}}{Q_{1}^{'}Q_{2}^{'}}=\frac{10\times -\,20}{-5\times -\,5}=-\frac{8}{1}\]You need to login to perform this action.
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