question_answer

If the force between two charged objects is to be left unchanged even through the charge on one of the objects is halved, keeping the other the same, then the original distance of separation 'd' should be

A)  \[d\sqrt{2}\]                    

B)         \[\frac{d}{\sqrt{2}}\]  

C)  \[\frac{\sqrt{2}}{d}\]               

D)         \[2d\]