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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Surface tension of a soap solution is T. There is a soap bubble of radius r. Calculate the amount of charge that must be spread uniformly on its surface so that its radius becomes 2r. Atmospheric pressure is P0. Assume that air temperature inside the bubble remains constant.

Surface tension of a soap solution is T. There is a soap bubble of radius r. Calculate the amount of charge that must be spread uniformly on its surface so that its radius becomes 2r. Atmospheric pressure is P0. Assume that air temperature inside the bubble remains constant.

……….. Qn respectively. i. Find the charge induced at surface A. ii. Find the charge induced at surface B. iii. If the left conductor is earthed find the magnitude of charge flowing from plate to earth. find the magnitude of charge flowing from plate to earth. iv. If any conductor is earthed q2 There are n large parallel plate conductors carrying charge Q1