A proton is placed at a distance of `3 xx 10^(-9)` m from the centre of an electric dipole along the axis of the dipole. Calculate the force on the proton due to dipole if its dipole moment is `4 xx 10^(-30)` C m. Given: Dipole length < < `3xx10^(-9)` m.

Explanation

To solve the problem of calculating the force on a proton due to an electric dipole, we can follow these steps:

### Step 1: Understand the formula for the electric field due to a dipole
The electric field \( E \) at a point along the axis of an electric dipole at a distance \( x \) from its center is given by the formula:
\[ E = \frac{2kp}{x^3} \]
where:
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