AIPMT PRELIMS 2010 Physics Coulomb's Law MCQ Question
Two positive ions, each carrying a charge q, are separated by a distance d. If F is the force of repulsion between the ions, the number of electrons missing from each ion will be (e being the charge on an electron)
4πε₀Fd²/q²
4πε₀Fd²/e²
√(4πε₀Fe²/d²)
√(4πε₀Fd²/e²)
Correct Answer
Detailed Explanation
The force between the ions is given by Coulomb's law. Solving for the number of electrons missing, we find it is proportional to the square root of the force and inversely proportional to the square of the charge.
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