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A bar is made up of material whose Young's modulus is $E$ , Poisson's ratio $μ$ and is subjected to hydrostatic pressure $p$ . The fractional change in its volume $(\frac{Δ V}{V})$ is

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Important Questions on Mechanical Properties of Matter

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET Medical 2021 (9-Aug Shift-1)>Q 2

A body is subjected to stress resulting in the change in volume of the body. The stress must be

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET - 9 August 2021 Shift 2>Q 3

The radius of a sphere is found to have reduced by

0.01 %

, when measured at a depth

' H'

of the sea. If the bulk modulus of elasticity of the material of sphere is

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

and density of water is

1000 kg m^{- 3}

, find the value of

H

' (use

g = 10 m s^{- 2})

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET - 10 August 2021 Shift 1>Q 4

The bulk modulus of a liquid is

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

The pressure required to reduce the given volume of this liquid by

1 %

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET 2020 (28-Sep Shift-1)>Q 5

Consider a metallic wire of length

10 m

. An external force applied results in an elongation of

5 mm

. What is the potential energy stored per unit volume
[Young's modulus of wire

Y = 16 \times 10^{10} N m^{- 2}

]

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET - 10 August 2021 Shift 1>Q 6

What is the elastic potential energy stored in a stretched steel wire of length

4 m .

The wire is stretched through

4 mm

and consists of cross-sectional area of

8 {mm}^{2} .

(Young's modulus of steel

= 2.0 \times 10^{11} N m^{- 2}

)

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET Medical 2018 (02 May Shift-1)>Q 7

If a spring of spring constant

200 N m^{- 1}

is compressed by

5 cm

, then the energy stored in the spring is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET Medical 2018 (02 May Shift-1)>Q 8

One ton stone is put on a larger piston of diameter

40 cm

of a hydraulic lift and a pressure

P

has to be applied on the smaller piston of diameter

2 cm

, to lift the stone. The pressure

P

, is approximately

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 10 - Mechanical Properties of Matter>TS EAMCET Medical 2019 (8-May Shift-2)>Q 9

A vessel contains oil (density

= 0.8 g {cm}^{- 3}

) over mercury (density

= 13.6 g {cm}^{- 3}

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

g {cm}^{- 3}

) is

A bar is made up of material whose Young's modulus is E, Poisson's ratio μ and is subjected to hydrostatic pressure p. The fractional change in its volume ΔVV is

Important Questions on Mechanical Properties of Matter

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A bar is made up of material whose Young's modulus is $E$ , Poisson's ratio $μ$ and is subjected to hydrostatic pressure $p$ . The fractional change in its volume $(\frac{Δ V}{V})$ is