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Water rises to a height of 10 cm in a capillary tube, and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 gm/cm3 and the angle of contact is 135°, the ratio of surface tension for water and mercury is (a) 1:0.5 (b) 1:3 (c) 1:6.5 (d) 1.5:1

Water rises to a height of 10 cm in a capillary tube, and mercury falls to a depth of 3.42 cm in the same capillary tube. If the density of mercury is 13.6 gm/cm3 and the angle of contact is 135°, the ratio of surface tension for water and mercury is
(a) 1:0.5 (b) 1:3
(c) 1:6.5 (d) 1.5:1

Grade:12

1 Answers

SAHIL
3783 Points
5 years ago
THE RATIO  OF SURFACE TENSION FOR WATER AND MERCURY IS 1:6.5 .
THEREFORE CORRECT OPTION IS {C}
THANKS AND APPROVE MY ANSWER

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