Q.The force between two charges separated by distance r in a medium of dielectric constant K is

\dfrac{1}{4\pi \epsilon_0 K} \dfrac{q_1 q_2}{r^2}

\dfrac{1}{4\pi \epsilon_0} \dfrac{q_1 q_2}{K r^2}

\dfrac{1}{4\pi \epsilon_0} \dfrac{q_1 q_2}{r^2}

4\pi \epsilon_0 K \dfrac{q_1 q_2}{r^2}

The correct solution involves applying the fundamental concept to derive the final value step by step...

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