All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 15

HARD

9th ICSE

IMPORTANT

Earn 100

The volume of water formed by melting of an ice cube of side $4.0 cm$ is $58.24 {cm}^{3}$ . Find the density of ice.

Important Questions on Fluids

HARD

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 16

A wooden block of volume

25 {cm}^{3}

floats in water with

20 x 10^{- 6} m^{3}

of its volume inside the water. Calculate weight of the wooden block. Calculate density of wooden block.

HARD

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 16

A wooden block of volume

25 {cm}^{3}

floats in water with

20 x 10^{- 6} m^{3}

of its volume inside the water. Calculate weight of the wooden block.

HARD

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 17

A piece of stone weighs

1.00

N in air and

0.88

N in water (when completely immersed). Find the volume of the marble and its density.

HARD

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 18

A steel block weighs

56.7 gf

in water. When the block is tied with a cork of weight

6 gf

, the combination is found weighing

40.5 gf

in water. Find relative density of the cork.

HARD

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 19

A wooden block is floating in a liquid (water). The dimension of the wooden block inside water is

50 cm \times 50 cm \times 50 cm

. Find the magnitude of the buoyant force acting on the block. (Take,

g = 9.8 m / s^{2}

)

MEDIUM

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 20

An object weighs

20 gf

in air,

18.2 gf

in a liquid (other than water) and

18.0 gf

in water. What will be the relative density of the object?

MEDIUM

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 20

An object weighs

20 gf

in air,

18.2 gf

in a liquid (other than water) and

18.0 gf

in water. What will be the relative density of the liquid?

MEDIUM

9th ICSE

IMPORTANT

All In One ICSE Physics>Chapter 5 - Fluids>CHALLENGERS>Q 1

A cylinder of certain mass is held in a vertical position. If the height of the cylinder is

10 cm

and radius of cross-section is

4 cm

, such that the pressure acting on its bottom surface is

21560 {Nm}^{- 2}

. Then, the value of the mass of cylinder is