According to Coulomb's law, the force of attraction (F) between two oppositely charged ions separated by a distance d in air is given by
A
F=14πϵ0K×q1q2d2
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B
F=14πϵ0K×q1q2(r++r−)2
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C
F=4πϵ0K×q1q2d
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D
F=14πϵ0K×q1q2(r++r−)
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Solution
The correct options are AF=14πϵ0K×q1q2d2 BF=14πϵ0K×q1q2(r++r−)2 According to Coulomb's law, the force of attraction (F) between two oppositely charged ions separated by a distance d in air is given by F=14πϵ0K×q1q2d2 or F=14πϵ0K×q1q2(r++r−)2