MCQOPTIONS
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| 1. |
The work done in blowing a soap bubble of radius r of the solution of surface tension T will be [DPMT 1999; MP PMT 2003] |
| A. | \[8\pi {{r}^{2}}T\] |
| B. | \[2\pi {{r}^{2}}T\] |
| C. | \[4\pi {{r}^{2}}T\] |
| D. | \[\frac{4}{3}\pi {{r}^{2}}T\] |
| Answer» B. \[2\pi {{r}^{2}}T\] | |