Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 14

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In a soap film experiment an originally semicircle shaped thread of length $L$ can be deformed to two semicircles with a force $F$ exerted at the middle of the thread as shown. The surface tension of the film is

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Important Questions on Mechanical Properties of Fluids

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 1

A beaker filled with water, is accelerated at a rate a

{ms}^{- 2}

in forward direction. The surface of water shall make an angle

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 2

A cube of ice of side length

10 cm

is floating in water of density

1000 kg m^{- 3} .

Then pick up the correct statement (density of ice

= 900 kg m^{- 3}

)

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 3

The spring balance $A$ reads $2 kg$ with a block $m$ suspended from it. $A$ balance $B$ read $5 kg$ when a beaker with liquid is put on the pan of the balance. The two balances are now so arranged that the hanging mass is inside the liquid in the beaker as shown in the figure. In this situation

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 4

A cubical block of wood having an edge

10 cm

and mass

0.92 kg

floats on a tank of water with oil of relative density

0.5

to a height of

4 cm

above water. When the block attains equilibrium with four of its edges vertical

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 5

Let

T

represent the true weight of a body,

B

the force of buoyancy on the body when immersed in a liquid,

A

represents the apparent weight of the body and

W

be twice the weight of liquid displaced by the body. Then which of the following relation is correct?

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 7

Select the correct option

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 8

In the given figure $P_{1}$ and $P_{2}$ are the pressures in broad and narrow tubes with closed ends. Select the correct option

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 9

Among the following daily life activities, Bernoulli's theorem is applicable in