Water is kept in a beaker of radius 5.0 ...

Water is kept in a beaker of radius 5.0 cm. Consider a diameter of the beaker on the surface of the water. Find the force by which the surface on one side of the diameter pulls the surface on the other side. Surface tension of water `=0.075Nm^-1`.

Text Solution

Verified by Experts

The correct Answer is:

A, C

`L=5cm =5xx10^-2m`
`T=0.76N/m`
`F=T_1=0.76xx5xx10^-2`
`=3.8xx10^-3N`

Topper's Solved these Questions

SOME MECHANICAL PROPERTIES OF MATTER
HC VERMA|Exercise Objective-2|7 Videos
SIMPLE HARMONIC MOTION
HC VERMA|Exercise Exercises|58 Videos
SOUND WAVES
HC VERMA|Exercise All Questions|139 Videos

Similar Questions

Explore conceptually related problems

A capillary tube of radius 0.50 mm is dipped vertically in a pot of water. Find the difference between the pressure of the water in the tube 5.0 cm below the surface and the atmospheric pressure. Surface tension of water =0.075Nm^-1

Find the surface energy of water kept in a cylindrical vessel of radius 6.0 cm. Surface tension of water =0.075Jm^-2 .

At which of the following temperatures, the value of surface tension of water is minimum ?

A water drop of radius 10^-2 m is broken into 1000 equal droplets. Calculate the gain in surface energy. Surface tension of water is 0.075Nm^-1

Two large glass plates are placed vertically and parallel to each other inside a tank of water with separation between the plates equal to 1 mm. Find the rise of water in the space between the plates. Surface tension of water =0.075Nm^-1 .

Consider an ice cube of edge 1.0 cm kept in a gravity-free hall. Find the surface area of the water when the ice melts. Neglect the difference in densities of ice and water.

A double convex lens has focal length 25 cm. The radius of curvature of one of the surfaces is double of the other. Find the radii, if the refractive index of the material of the lens is 1.5.

Calculate the height to which water will rise in capillary tube of 1.5 mm diameter. Surface tension of water is 7.4 xx 10^(-3) Nm^(-1) .

Consider a small surface area of 1 mm^2 at the top of a mercury drop of radius 4.0 mm. Find the force exerted on this area (a) by the air above it (b) by the mercury below it and (c) by the mercury surface in contact with it. Atmospheric pressure =1.0xx10^5Pa and surface tension of mercury =0.465Nm^-1. Neglect the effect of gravity. Assume all numbers to be exact.

The radius and mass of Earth are increased by 0.5%. Which of the following statements is false at the surface of the Earth?

HC VERMA-SOME MECHANICAL PROPERTIES OF MATTER-Exercises

Find the increase in pressure required to decrease the volume of a wat...
Text Solution
|
Calculate the apprroximate change in density of water in a lake at a d...
Text Solution
|
A steel plate of face area 4 cm^2 and thickness 0.5 cm is fixed rigidl...
Text Solution
|
Water is kept in a beaker of radius 5.0 cm. Consider a diameter of the...
Text Solution
|
Find the excess pressure inside (a) a drop of mercury of radius 2 mm (...
Text Solution
|
Consider a small surface area of 1 mm^2 at the top of a mercury drop o...
Text Solution
|
The capillaries shown in figure have inner radii 0.5 mm, 1.0 mm and 1...
Text Solution
|
The lower end of a capillary tube is immersed in mercury. The level of...
Text Solution
|
A barometer is constructed with its tube having radius 1.0 mm. Assume ...
Text Solution
|
A capillary tube of radius 0.50 mm is dipped vertically in a pot of wa...
Text Solution
|
Find the surface energy of water kept in a cylindrical vessel of radiu...
Text Solution
|
A drop of mercury of radius 2 mm is split into 8 identical droplets. F...
Text Solution
|
A capillary tube of radius 1 mm is kept vertical with the lower end in...
Text Solution
|
The lower end of a capillary tube of radius 1 mm is dipped vertically ...
Text Solution
|
Two large glass plates are placed vertically and parallel to each othe...
Text Solution
|
Consider an ice cube of edge 1.0 cm kept in a gravity-free hall. Find ...
Text Solution
|
A wire forming a loop is dipped into soap solution and taken out so th...
Text Solution
|
A metal sphere of radius 1 mm and mass 50 mg falls vertically in glyce...
Text Solution
|
Estimate the speed of vertically falling rain drops from the following...
Text Solution
|
Water flows at a speed of 6 cms^-1 through a tube of radius 1 cm. coe...
Text Solution
|