Home
Class 12
PHYSICS
While measuring surface tension of water...

While measuring surface tension of water using capillary rise method, height of the lower meniscus from free surface of water is `3cm` while inner radius of capillary tube is found to be `0.5cm`. Then compute surface tension of water using this data. (Take contact angle between glass and water as `0^(@)` and `g=9.8lms^(-2)`)

A

`0.72Nm^(-1)`

B

`0.77Nm^(-1)`

C

`1.67Nm^(-1)`

D

`8.67Nm^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
`((h+(r )/(3))rdg)/(2costheta)`
Promotional Banner

Topper's Solved these Questions

  • EXPERIMENTAL PHYSICS

    NARAYNA|Exercise Level-v(Single answer)|23 Videos

  • EXPERIMENTAL PHYSICS

    NARAYNA|Exercise Multiple answer|6 Videos

  • ELECTROSTATICS AND GAUSS LAW

    NARAYNA|Exercise Intergers type question|11 Videos

  • MAGNETISM

    NARAYNA|Exercise LEVEL-II (H.W)|24 Videos

Similar Questions

Explore conceptually related problems

While measuring surface temsoion of water using capillary rise method, heihgt of the lowr meniscus from free surface of water is 3 cm while inner radius of capillary tube is found to be 0.5 cm. Then compute tension of water using this data. (Take contact angle between glass and water and a 0 and g=9.81 m//s^(2)

While measuring surface tension of water using capillary rise method the necessary precaution to be taken is//are

Water rises in a capillary tube of diameter 0.2xx10^(2)m upto a height of 1.5 cm. The surface tension of water is-

If a liquid used in capillary rise method for measuring surface tension whose surface tension is more than that of water, then rise in capillary tube

The surface tension of water is 0.07 N/m . Find the weight of water supported by surface tension in a capillary tube with a radius of 0.1 mm.

When a capillary is dipped in water, water rises 0.015 m in it. If the surface tension of water is 75 xx 10^(-3) N//m , the radius of capillary is

The surface tension of water at 0^(@) C is 75.5 dyn/cm. Calculate the surface tension of water at 25^(@)C .

The work done by surface tension on rising water do height of h in a capillary tube of radius r is

If the surface tension of water is 0.06 Nm, then the capillary rise in a tube of diameter 1mm is (theta=0^(@) )

A vertical capillary is brought in contact with the water surface. What amount of heat is liberated while the water rises along the capillary ? The wetting is assumed to be complete, the surface tension equals alpha .