The shape of the water-to-glass meniscus results from the strong adhesive forces between glass and water.

Question

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The meniscus is the curvature of the surface of a liquid when it comes in contact with a solid. The shape of the meniscus is determined by the balance between cohesive forces (the attraction between molecules of the same substance) and adhesive forces (the attraction between molecules of different substances). In the case of water-to-glass, the adhesive forces between water and glass are stronger than the cohesive forces within the water, resulting in a convex meniscus shape where the surface of the water curves upward at the edges.

The Shape of the Water-To-Glass Meniscus Results from the Strong