She will observe that the ballons repulsion to each other due to the same charges found on the ballons due to the rubbing the wool.
Explanation:
When Sonia rubs the woolen cloth the part or the section of the balloon becomes positively charged and due to the same charge present in both balloons repel one other as similar charges cause repulsion. Both balloons acquired the same charge and similar charges repel each other. So, the two balloons repelled each other.
Thus, the correct answer is - She will observe that the ballons repulsion to each other due to the same charges found on the ballons due to the rubbing the wool.
