Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 4

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Point 'A' is the proportionality limit and point 'B' is the elastic limit in a stress-strain curve for an elastic material. Which of the following statement is wrong?

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Important Questions on Mechanical Properties of Solids

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 5

Elastic region is very large and the proportional region is very small in:

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 6

Which of the following is not a feature of the stress-strain curve for elastic tissue of aorta:

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 7

Elastomers have:

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 1

Bulk modulus of water is

2 \times 10^{9} N m^{- 2}

. The change in pressure required to increase the density of water by

0.1 %

is

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 2

A steel wire of 1 m long and

1 m m^{2}

cross section area is hanged from rigid end when weight of 1 kg is hang from it, then change in length will be

(Young's coefficient for wire

Y = 2 \times 10^{11} {N / m}^{2}

)

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 3

Find the increase in pressure required to decrease the volume of water sample by

0.01 %

. Bulk modulus of water

= 2.1 \times 10^{9} N m^{- 2} .

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 4

The load versus elongation graph for four wires of the same materials shown in the figure. The thinnest wire is represented by the line

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 9 - Mechanical Properties of Solids>Exercise>Q 5

A gas undergoes a process in which the pressure and volume are related by

{V P}^{n} = c o n s t a n t

. The bulk modulus of the gas is -