MCQOPTIONS
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MCQOPTIONS
| 1. |
When a liquid drop is in contact with a solid surface, the contact angle at equilibrium is given by ______ |
| A. | cos = ( frac{ gamma_{GS}- gamma_{SL}}{ gamma_{LG}} ) |
| B. | sin = ( frac{ gamma_{GS}- gamma_{SL}}{ gamma_{LG}} ) |
| C. | cos = ( frac{ gamma_{SL}- gamma_{GS}}{ gamma_{LG}} ) |
| D. | cos = ( frac{ gamma_{LG}- gamma_{SL}}{ gamma_{GS}} ) |
| Answer» B. sin = ( frac{ gamma_{GS}- gamma_{SL}}{ gamma_{LG}} ) | |