Question

The surface of water in contact
with glass wall is​

Answer 1

explanation:

Science > Physics > Surface Tension > Angle of Contact

When water is taken in a glass vessel, the free surface of the water near the walls is curved concave upward. If mercury is taken in a glass vessel, the free surface of mercury near the walls is convex upwards.

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Answer 2

Answer:

The answer is concave

Explanation:

When we observe capillary action then angle of water with glass will be acute angle i.e. we will observe a concave meniscus.