A) decreases
B) increases
C) remains unchanged
D) nothing can be said because sufficient information is not available
Correct Answer: B
Solution :
A soap bubble has two surfaces. When it is given negative charge, it spreads over two surfaces \[i.e.,\] its two surfaces become negatively charged. Also as we know that same charges repel, so two surfaces of bubble repel each other. Hence, its radius increases.You need to login to perform this action.
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