A capillary tube is ipped in water . It rises to height of 4 cm above the surroundings liquid . If the angle of caontact is zero and radius of tube is

A capillary tube is ipped in water . It rises to height of 4 cm above the surroundings liquid . If the angle of caontact is zero and radius of tube is 0.4 mm , then the surface tension of liquid will be
A. `78.4` dyne/cm
B. `7.84` dyne / cm
C. 784 dyne/cm
D. 72 dyne/cm

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - A
` 2T cos theta = h rho gr`

5 views Answered 2023-02-05 15:29

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