MEDIUM

JEE Advanced

IMPORTANT

Earn 100

If $T$ is the surface tension of soap solution, the amount of work done in blowing a soap bubble from diameter $D$ to diameter $2 D$ is,

50% studentsanswered this correctly

Important Questions on Surface Tension and Viscosity

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 6

Work

W

is required to form a bubble of volume

V

from a given solution. What amount of work is required to be done to form a bubble of volume

2 V

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 7

The surface energy of a liquid drop is

E

. It is sprayed into

1000

equal droplets. Then its surface energy becomes

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 8

The surface energy of a liquid drop is

E

. It is sprayed into

1000

equal droplets. Then the work done in spraying is,

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 9

A small metal ball of diameter

4 m m

and density

10.5 g / {c m}^{3}

is dropped in glycerine of density

1.5 g / {c m}^{3}

. The ball attains a terminal velocity of

8 c m / s

, the coefficient of viscosity of glycerine is -

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 10

A sphere of brass released in a long liquid column attains a terminal speed

v_{0}

. If the terminal speed is attained by a sphere of marble of the same radius and released in the same liquid is

n v_{o}

, then the value of

n

will be (Given: The specific gravities of brass, marble and liquid are

8.5, 2.5

and

0.8

, respectively)

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 11

Between a plate of area,

100 {cm}^{2}

and another plate of area,

100 m^{2}

there is a

1 mm

, thick layer of water, if the coefficient of viscosity of water is

0.01 poise

, then the force required to move the smaller plate with a velocity

10 cm s^{- 1}

with reference to a large plate is,

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 12

A river

10 m

deep is flowing at

5 m s^{- 1}

. The shearing stress between horizontal layers of the river is

(η = 10^{- 3} S . I .

units

)

MEDIUM

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 8 - Surface Tension and Viscosity>Exercises>Q 13

20 cm

long capillary tube is dipped into water. The water rises upto

8 cm

. If entire arrangement is put in a freely falling elevator, the length of water column in the capillary tube will be

If T is the surface tension of soap solution, the amount of work done in blowing a soap bubble from diameter D to diameter 2D is,

Important Questions on Surface Tension and Viscosity

Learn and Prepare for any exam you want !

If $T$ is the surface tension of soap solution, the amount of work done in blowing a soap bubble from diameter $D$ to diameter $2 D$ is,