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CGP EDU Academic Team
Published on: September 12, 2026
A force $\Gamma$ acts between sodium and chlorine ions of salt (sodium chloride) when put $1\,\mathrm{cm}$ apart in air. The permittivity of air and dielectric constant of water are $E_0$ and $k$ respectively. When a piece of salt is put in water electrical force acting between sodium and chlorine ions 1 cm apart is
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Verified by ExpertsThe correct answer is:
A
When put 1 cm apart in air, the force between Na and Cl ions = F. When put in water, the force between Na and Cl ions $\overline{F}$ $\overline{k}$
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