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JEE Advanced

IMPORTANT

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An iceberg is floating partially immersed in seawater. The density of seawater is $1.03 g c m^{- 3}$ and that of ice is $0.92 g c m^{- 3}$ . The approximate percentage of the total volume of iceberg above the level of seawater is -

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Important Questions on Fluid Mechanics

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JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 8

Equal masses of three liquid are kept in three identical cylindrical vessels

A, B

and

C .

Their densities are

ρ_{A}, ρ_{B}

and

ρ_{C}

with

ρ_{A} < ρ_{B} < ρ_{C} .

The force on the base will be

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Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 9

A lawn sprinkler has

20

holes, each of cross-sectional area

2.0 \times 10^{- 2} {cm}^{2}

and is connected to a hosepipe of cross-sectional area

2.4 {cm}^{2}

. If the speed of water in the hose-pipe is

1.5 m s^{- 1}

, the speed of water as it emerges from the holes is,

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 10

A block of silver of mass

4 kg

hanging from a string is immersed in a liquid of relative density

0.72

. If relative density of silver is

10,

then tension in the string will be: [ take

g = 10 m s^{- 2}

]

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 11

A vessel contains oil (density

= 0.8 g {cm}^{- 3}

) over mercury (density

= 13.6 g {cm}^{- 3}

). A uniform sphere floats with half its volume immersed in mercury and the other half in oil. The density of the material of the sphere (in

g {cm}^{- 3}

) is

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 12

A sealed tank containing a liquid of density

ρ

moves with a horizontal acceleration

a

, as shown in the figure. The difference in pressure between the points

A

and

B

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 13

An empty balloon weighs

W_{1} .

If air equal in weight to

W

is pumped into the balloon. The weight of the balloon becomes

W_{2} .

suppose that the density of air inside and outside the balloon is the same. Then

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JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 14

A wooden block is floating in a liquid. About

50 %

of its volume is inside the liquid when the vessel is stationary. Percentage volume when the vessel moves upwards with acceleration

a = g / 2

EASY

JEE Advanced

IMPORTANT

Physics For Joint Entrance Examination JEE (Advanced): Mechanics II>Chapter 6 - Fluid Mechanics>Exercises>Q 15

A cylindrical block is floating (partially submerged) in a vessel containing water. Initially, the platform on which the vessel is mounted is at rest. Now the platform along with the vessel is allowed to fall freely under gravity. As a result, the buoyancy force

An iceberg is floating partially immersed in seawater. The density of seawater is 1.03 g cm–3 and that of ice is 0.92 g cm–3 . The approximate percentage of the total volume of iceberg above the level of seawater is -

Important Questions on Fluid Mechanics

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An iceberg is floating partially immersed in seawater. The density of seawater is $1.03 g c m^{- 3}$ and that of ice is $0.92 g c m^{- 3}$ . The approximate percentage of the total volume of iceberg above the level of seawater is -