EASY

Earn 100

The tank shown in figure is filled with water up to a height of $2 m$ . Assuming the atmospheric pressure to be absent the force that the water exerts on side ABCD is equal to

( $g = 9.8 m / s^{2}$ and density of water $ρ = 1000 kg / m^{3}$ )

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Important Questions on Mechanical Properties of Fluids

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A glass flask weighing

390 g

, having internal volume

500 cc

just floats when half of it is filled with water. Specific gravity of the glass is

EASY

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

The dimensions for pressure is

EASY

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

The density of kerosene is

800 kg m^{- 3}

. Its relative density is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

The density of ice and water are

x g {c m}^{- 3}

and

y g {cm}^{- 3}

respectively. If

m

gram of ice melts , then change in its volume is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

An adulterated sample of milk has density of

1032 k g m^{- 3}

, while pure milk has a density of

1080 k g m^{- 3}

. Then the volume of pure milk in a sample of 10 L of adulterated milk is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A piece of solid weighs 120 g in air, 80 g in water and 60 g in a liquid. The relative density of the solid and that of the liquid are respectively

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

Equal masses of water and a liquid of density 2 are mixed together, then the mixture has a density of

EASY

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A pressure of

10^{6}

dyne

c m^{- 2}

is equivalent to

EASY

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

The density of ice and water are respectively x and y $g {c m}^{- 3}$ . If $m$ gram of ice melts, then change in its volume is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

10 {c m}^{3}

cube floats in water with a volume of

4 {c m}^{3}

remaining above the surface. The density of the material form which the cube is made is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A body floats in water with

40 %

of its volume outside water. When the same body floats in an oil,

60 %

of its volume remains outside oil. The relative density of oil is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

Ice pieces are floating in beaker A containing water also in a beaker B containing miscible liquid of specific gravity 1.2. When ice melts, the level of

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A piece of wax weighs

18.03 gm

in air. A piece of metal is found to weigh

17.03 gm

in water. It is tied to the wax and both together weigh

15.23 gm

in water. Then, the specific gravity of wax is:

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A ball is made of a material of density

ρ

where

ρ_{o i l} < ρ < ρ_{w a t e r} w i t h ρ_{o i l} a n d ρ_{w a t e r}

respectively. The oil and water are immiscible. If the above ball is in equilibrium in mixture of this oil and water, which of the following pictures represents its equilibrium position?

EASY

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

In air an object weighs

15 N

, when immersed completely in water the same object weighs

12 N

. When immersed in another liquid completely, it weighs

13 N

. Find The specific gravity of the other liquid

HARD

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A rectangular plate

2 m \times 3 m

is immersed in water in such a way that its greatest and least depth are

6 m and 4 m

, respectively, from the water surface. The total thrust on the plate is

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A piece of solid weighs 120 g in air, 80 g in water and 60 g in a liquid. The relative density of the solid and that of the liquid are respectively

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A vessel contains oil (density

{0.8 g c m}^{- 3})

over mercury (density

136 g

{c m}^{- 3})

. A homogenous sphere floats with half volume immersed in mercury and the other half in oil. The density of the material of the sphere in

g {c m}^{- 3}

MEDIUM

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A body floats in water with

40 %

of its volume outside water. When the same body floats in an oil,

60 %

of its volume remains outside oil. The relative density of oil is

EASY

Physics>Mechanics>Mechanical Properties of Fluids>Pressure Inside a Fluid

A liquid of density

ρ

is coming out of a hose pipe of radius a with horizontal speed

v

and hits a mesh.

50 %

of the liquid passes through the mesh unaffected.

25 %

looses all of its momentum and

25 %

comes back with the same speed. The resultant pressure on the mesh will be:

The tank shown in figure is filled with water up to a height of 2 m. Assuming the atmospheric pressure to be absent the force that the water exerts on side ABCD is equal to (g=9.8 m/s2 and density of water ρ= 1000 kg/m3)

Important Questions on Mechanical Properties of Fluids

Learn and Prepare for any exam you want !

The tank shown in figure is filled with water up to a height of $2 m$ . Assuming the atmospheric pressure to be absent the force that the water exerts on side ABCD is equal to

( $g = 9.8 m / s^{2}$ and density of water $ρ = 1000 kg / m^{3}$ )