A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 56

EASY

11th West Bengal Board

IMPORTANT

Earn 100

On the surface of the liquid in equilibrium, molecules of the liquid possess

100% studentsanswered this correctly

Important Questions on Fluid Statics

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 57

Find the angle of contact, when a liquid does not wet the sides of solid.

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 58

Two soap bubbles

A

and

B

are kept in a closed chamber where the air is maintained at pressure

8 {Nm}^{- 2}

. The radii of bubble

A

and

B

are

2 cm

and

4 cm

respectively. Surface tension of the soap bubble is

0.04 {Nm}^{- 1}

. Find the ratio

\frac{n_{B}}{n_{A}}

, where

n_{A}

and

n_{B}

are the number of moles of air in bubble

A

and

B

respectively.

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 59

Soap bubbles can be formed floating in air by blowing soap solution in air, but not water bubbles & with the help of a glass tube. It is because

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 60

Force across an imaginary diameter on the surface of the liquid, when a beaker of radius

15 cm

is filled with a liquid of surface tension

0.075 {Nm}^{- 1}

.

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 61

One drop of soap solution of diameter

D

breaks into

27

drops having surface tension

T

. The resultant change in energy is

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 62

Surface tension of a liquid is zero at

MEDIUM

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 63

Assuming that surface tension acts only at hole, the maximum height at which the water can be filled in vessel without leakage, A vessel whose bottom has a round hole with diameter of

1 mm

is filled with water. (surface tension of water

= 7.5 \times 10^{- 2} {Nm}^{- 1}

and

g = 10 {ms}^{- 2}

]

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 13 - Fluid Statics>EXERCISE>Q 64

Two soap bubbles combine to form a single bubble. In this process, the change in volume and surface area are respectively $V$ and $A$ . If $p$ is the atmospheric pressure, and $T$ is the surface tension of soap solution, the following relation is true.

Learn and Prepare for any exam you want !

|

|

|

|

|

|

|

|