Question

Two capillary tubes of diameters 1 mm and 2 mm are dipped in water . The rise in water level in 1 mm tube is 1.4 cm . The rise in another tube will be
A. 1.4 cm
B. `0.7` cm
C. ` 2.8 `cm
D. `0.28` cm

Answer 1

Correct Answer - B
`h_(1)d_(1) = h_(2)d_(2)`
` h_(2) = (h_(1)d_(1))/(d_(2))= (1.4xx1)/2= 0.7`