Question

question NO: 1
1.
Water rises in a capillary tube upto 3 cm when its
one end is dipped vertically in water. If the surface
tension of water is 75 x 10-3 N/m, then the
diameter of capillary will be
(1) 0.1 mm
(2) 0.5 mm
(3) 1.0 mm
(4) 2.0 mm
​

Answer 1

question NO: 1

1.

Water rises in a capillary tube upto 3 cm when its

one end is dipped vertically in water. If the surface

tension of water is 75 x 10-3 N/m, then the

diameter of capillary will be

(1) 0.1 mm

(2) 0.5 mm

(3) 1.0 mm

(4) 2.0 mm