Please sir solve it

If a soap bubble is given some charge, then its radius
1. Increases
2. Decreases
3. Remain unchanged
4. May increase or decrease depending upon the give charge is positive or negative

Dear student,

If the soap bubble is given a charge, then its radius will increase. The charged particles are uniformly distributed over the bubble and they will start to repel each other due to the electrostatic force. It results in the expansion of the bubble. The bubble expands until the tension can bring it to equilibrium position.This will happen to both positively and negatively charged soap bubbles.

Hence, Answer is : option 1) Increases.

Regards...