Contact Angle Meniscus (Jee Mains) | ExamDuo
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Surface Tension
Easy
Contact Angle Meniscus
Two liquids A and B have θ
A
and θ
B
as contact angles in a capillary tube. If K = cos θ
A
/cos θ
B
. then identify the correct statement :
SELECT ONE OPTION
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 negative, then liquid A has concave meniscus and liquid B has convex meniscus
D
K is zero, then liquid A has convex meniscus and liquid B has concave meniscus.
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