MCQOPTIONS
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MCQOPTIONS
| 1. |
The work done in increasing the size of a soap film from 10 cm× 6 cm to 10 cm × 11 cm is 3 ×10-4 joule. The surface tension of the film is [MP PET 1999; JIPMER 2001, 02; MP PMT 2000; AIIMS 2000] |
| A. | \[1.5\times {{10}^{-2}}N/m\] |
| B. | \[3.0\times {{10}^{-2}}N/m\] |
| C. | \[6.0\times {{10}^{-2}}N/m\] |
| D. | \[11.0\times {{10}^{-2}}N/m\] |
| Answer» C. \[6.0\times {{10}^{-2}}N/m\] | |