When one end of a capillary tube is dipped in | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The upward force due to surface tension $(F)$ is given by the formula: $F = T \cdot L$,where $T$ is the surface tension and $L$ is the inner circu

Vedclass · Accepted Answer

$1.5$

Vedclass · Answer

(A) The upward force due to surface tension $(F)$ is given by the formula: $F = T \cdot L$,where $T$ is the surface tension and $L$ is the inner circumference of the capillary tube.Given: $F = 105 	ext{ dyne} = 105 	imes 10^{-5} 	ext{ N} = 1.05 	imes 10^{-3} 	ext{ N}$.Surface tension $T = 7 	imes 10^{-2} 	ext{ N/m}$.We need to find the circumference $L$.Using the formula $L = F / T$:$L = (1.05 	imes 10^{-3} 	ext{ N}) / (7 	imes 10^{-2} 	ext{ N/m})$$L = 0.15 	imes 10^{-1} 	ext{ m} = 0.015 	ext{ m}$.Converting to centimeters: $L = 0.015 	imes 100 	ext{ cm} = 1.5 	ext{ cm}$.Thus,the inner circumference of the capillary tube is $1.5 	ext{ cm}$.

Similar Questions

In a capillary tube,water rises to $3\, mm$. The height of water that will rise in another capillary tube having one-third radius of the first is ........ $mm$.

Water rises up to a height $h$ in a capillary tube on the surface of the earth. The value of $h$ will increase if the experimental setup is kept in:

Water rises to a height $3$ cm in a capillary tube. If the cross-sectional area of the capillary tube is reduced to $1/3^{rd}$ of its initial area, then water will rise to a height of:

Identify the correct figure which shows the relation between the height of water column in a capillary tube and the capillary radius.

Vedclass Test Series

Exam Paper Generator

Online Exam Module