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Water rises up to a height of 5 cm in a capillary tube of radius 2 mm. what is the radius of the radius of the capillary tube if the water rises up to a height of 10 cm in another capillary? (a) 4 mm (b) 1 mm (c) 3 mm (d) 1 cm

Water rises up to a height of 5 cm in a capillary tube of radius 2 mm. what is the radius of the radius of the capillary tube if the water rises up to a height of 10 cm in another capillary?
(a) 4 mm (b) 1 mm
(c) 3 mm (d) 1 cm

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
576-385_1.PNG
Kushagra Madhukar
askIITians Faculty 629 Points
one year ago
Dear student,
Please find the solution to your problem below.
 
SInce, the height of capillary rise depends inversely on the size of tube.
Hence, h2/h1 = r1/r2
or, r2 = r1xh1/h2 = 2 x 5/10 = 1 mm
 
Hope it helps.
Thanks and regards,
Kushagra

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