MCQOPTIONS
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MCQOPTIONS
| 1. |
The surface tension of a liquid is 5 N/m. If a thin film of the area 0.02 m2 is formed on a loop, then its surface energy will be [CPMT 1977; MP PET 1989; BCECE 2005] |
| A. | \[5\times {{10}^{2}}\,J\] |
| B. | \[2.5\times {{10}^{-2}}\,J\] |
| C. | \[2\times {{10}^{-1}}\,J\] |
| D. | \[5\times {{10}^{-1}}\,J\] |
| Answer» D. \[5\times {{10}^{-1}}\,J\] | |