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Q.

A force of 4N is acting between two charges in air. If the space between them is completely filled with glass $(ε_{r} = 8)$ , then the new force will be

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a

0.2N

b

5N

c

2N

d

0.5N

answer is D.

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Detailed Solution

$F^{'} = \frac{F}{K}$

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