First slide
Surface tension
Question

Consider the following statements.
(A) When height of a tube is less than liquid rise in the capillary tube, the liquid does not overflow.
(B) Product of radius of meniscus and height of liquid in capillary tube is always remains constant.

Select the correct option.
(a) (A) is false, But (B) is true.
(b) Both (A) and (B) are true.
(c) (A) is true, But (B) is false.
(d) Both (A) and (B) are false.

Easy
Solution

h<l and  hr= constant  

h=2 T COS θr ρg

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