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Question

The meniscus is _______ when there is an upward depression and it is _____ when there is an outward bulging.


Your Answer
A
Concave, Concave
Correct Answer
B
Concave, Convex
Your Answer
C
Convex, Convex
Your Answer
D
Convex, Concave

Solution

The correct option is A Concave, Convex
The meniscus of water in a jar is concave because the forces of adhesion between the molecules of water and glass are stronger than the force of cohesion between the molecules of water. The meniscus of mercury in the jar is convex because the forces of cohesion between the molecules of mercury are more than the forces of adhesion between the molecules of mercury and glass.

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