Question

Which of the following statements is incorrect?

Options

• For θ < 90°, the shape of the liquid meniscus is concave.

• For θ = 90°, the shape of the liquid meniscus is plane.

• For θ > 90°, the shape of the liquid meniscus is convex.

• For θ = 90°, the liquid wets the solid surface.

Answer 1

For θ = 90°, the liquid wets the solid surface.