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Properties of Matter Part 3

Section: Physics

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Question : 7

Total: 78

Two liquids A and B have θA and θB as contact angles in a capillary tube. If K=‌

, then identify the correct statement:

[4 Apr 2025 Shift 1]

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

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