Force of attraction between two point electric charges placed at a distance d in a medium is F. What distance apart should these be kept in the same medium, so that force between them becomes 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Let 
and 
be the two point charges. Then, force between the charges, when kept at a distance D apart,
Suppose that force between the two charges becomes 
, when the charges are kept at a distance X apart. Then
oг 
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