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IIT-JEE 2005 Mains
MCQ (Single Correct Answer)
+3
-1

A conducting liquid bubble of radius $$a$$ and thickness $$t(t < < a)$$ is charged to potential V. If the bubble collapses to a droplet, find the potential on the droplet.

A
$$V{\left[ {{2a \over {3t}}} \right]^{1/3}}$$
B
$$V{\left[ {{7a \over {3t}}} \right]^{1/3}}$$
C
$$V{\left[ {{a \over {3t}}} \right]^{1/3}}$$
D
$$V{\left[ {{5a \over {9t}}} \right]^{1/3}}$$
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