When a liquid drop is in contact with a solid surface, the contact angle at equilibrium is given by ______
Posted: Thu Jul 14, 2022 1:25 pm
a) cosθ=\(\frac{\gamma_{GS}-\gamma_{SL}}{\gamma_{LG}}\)
b) sinθ=\(\frac{\gamma_{GS}-\gamma_{SL}}{\gamma_{LG}}\)
c) cosθ=\(\frac{\gamma_{SL}-\gamma_{GS}}{\gamma_{LG}}\)
d) cosθ=\(\frac{\gamma_{LG}-\gamma_{SL}}{\gamma_{GS}}\)
b) sinθ=\(\frac{\gamma_{GS}-\gamma_{SL}}{\gamma_{LG}}\)
c) cosθ=\(\frac{\gamma_{SL}-\gamma_{GS}}{\gamma_{LG}}\)
d) cosθ=\(\frac{\gamma_{LG}-\gamma_{SL}}{\gamma_{GS}}\)