MHT CET 2026 Physics question
Two point charges placed in air separated by distance 'R' exert a force 'F' on each other. Now the space between those charges is filled with dielectric constant 'K'. At distance 'R' between the charges, the same force is exerted as 'F'. Then
Answer: (C)
Solution
In air . In a medium of dielectric constant at separation , . Equating the two forces: , so and $ =
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