STANDARDPhysics-Electrostatics
STANDARD Physics Electric Dipole MCQ Question
Type: MCQ-numerical-Medium
The distance between H⁺ and Cl⁻ ions in HCl molecules is 1.38 Å. The potential due to this dipole at a distance of 10 Å on the axis of dipole is
A
2.1 V
B
1.8 V
C
0.2 V
D
1.2 V
Correct Answer
Option C
Detailed Explanation
The potential due to a dipole at a point on its axis is given by V = p/4πε₀r², where p is the dipole moment. Substituting the given values, the potential is calculated to be 0.2 V.
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