Metallurgical Engineering > GATE 2024 > Kinetics
For a solid embryo in contact with a perfectly flat mould wall as shown in the schematic, the wetting angle θ is _______ degrees.
(Round off to one decimal place). Given: Surface tension between liquid and mould wall = 0.35 J⋅m-2 Surface tension between solid and mould wall = 0.02 J⋅m-2 Surface tension between liquid and solid = 0.40 J⋅m-2
Correct : 46.6
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