An object weighs m 1 in a liquid of density d 1 and that in liquid of density d 2 is m 2 . The density d of the object is

d = m 1 d 2 - m 2 d 1 m 1 - m 2

d = m 2 d 2 - m 1 d 1 m 2 - m 1

d = m 1 d 1 - m 2 d 2 m 2 - m 1

d = m 2 d 1 - m 1 d 2 m 1 - m 2

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

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Important Questions on Fluid Mechanics

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 16

Eight equal drops of water are falling through air with a steady velocity of

10 cm s^{- 1}

. If the drops combine to form a single drop big in size, then the terminal velocity of this big drop is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 17

An object weighs

m_{1}

in a liquid of density

d_{1}

and that in liquid of density

d_{2}

m_{2}

. The density

d

of the object is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 18

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

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 19

With an increase in temperature, surface tension of liquid in general,

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 20

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

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 21

A ball is made of a material of density

ρ

, where

ρ_{oil} < ρ < ρ_{water}

with

ρ_{oil}

and

ρ_{water}

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

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Objective Problems>Q 22

Three liquids of equal masses are taken in three identical cubical vessels

A, B

and

C

. Their densities are

ρ_{A}, ρ_{B}

and

ρ_{C}

respectively but

ρ_{A} < ρ_{B} < ρ_{C}

. The force exerted by the liquid on the base of the cubical vessel is

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Complete Study Pack for Engineering Entrances Objective Physics Vol 1>Chapter 13 - Fluid Mechanics>Excercise 2>Q 1

Two liquids of densities $ρ_{1}$ and $ρ_{2} (ρ_{2} = 2 ρ_{1})$ are filled up behind a square wall of side $10 m$ as shown in figure. Each liquid has a height of $5 m$ . The ratio of the forces due to these liquids exerted on upper part $M N$ to that at the lower part $N O$ is (assume that the liquids are not mixing)

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

Important Questions on Fluid Mechanics

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