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Properties of Matter question

2025 · 4 Apr · Shift 1 · Q57

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JEE Main
Physics
Properties of Matter
2025 · 4 Apr · Shift 1 · Q57

Properties of Matter question

2025 · 4 Apr · Shift 1 · Q57

JEE MainPhysicsProperties of MatterMCQ+4 / −1

Two liquids

A

and

B

have

\theta_A

and

\theta_B

as contact angles in a capillary tube. If

K=\cos \theta_A / \cos \theta_B

, then identify the correct statement:

A
K is negative, then liquid A and liquid B have convex meniscus.
B
$K$ is negative, then liquid $A$ and liquid $B$ have concave meniscus.
C
K is zero, then liquid A has convex meniscus and liquid B has concave meniscus.
D
K is negative, then liquid A has concave meniscus and liquid B has convex meniscus.

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