A solid hemispherical uniformly charged body of total charge Q is kept symmetrically along the y-axis as shown. The electric potential at point P, at distance d from the origin along the x-axis, will be:

Question

G1 Physics · Accepted Answer

Step 1: Use V = Σ[kqᵢ/rᵢ] for discrete charges or integrate dV = k dq/r for a continuous distribution. If a field is given, use ΔV = -∫𝐄·d𝐥. Step 2: Potential is a scalar, so contributions add algebraically. Step 3: Insert the stated distances/charge distribution and simplify. Final: A: Q/(4πε₀d).