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IMPORTANT

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A solid rubber ball is carried from the surface to the bottom of a $200 m$ deep pond as a result of which its volume decreases by $0.1 % .$ The density of pond water is $1.0 \times 10^{3} kg m^{- 3} .$ If $g = 10 m s^{- 2}$ , then the bulk modulus of elasticity in $N m^{- 2}$ .

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Important Questions on Elasticity

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 17

The bulk modulus of rubber is

9.8 \times 10^{8} N m^{- 2}

. To what depth a rubber ball be taken in a lake so that its volume is decreased by

0.1 % ?

EASY

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 18

If the volume of a block of aluminium is decreased by

1 %

the pressure (stress) on its surface is increased by (Bulk modulus of

A l = 7.5 \times 10^{10} N m^{- 2}

EASY

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 19

The compressibility of water is

4 \times 10^{- 5}

per unit atmospheric pressure. The decrease in volume of

100

cubic centimetre of water under a pressure of

100

atmosphere will be

EASY

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 20

Two wires

W_{1}

and

W_{2}

are made of same material and have the same length. The radius of the cross-section of

W_{2}

is twice that of

W_{1}

. Same load is suspended from both of them. If the strain in

W_{1}

4,

then that in

W_{2}

will be

EASY

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MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 21

In an experiment to measure Young's modulus, the wire is thin and long so that

EASY

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 22

Assertion: Two wires

A

and

B

have the same cross-sectional area and are made of the same material but the length of wire

A

is twice that of

B

. For a given load, the strain in wire

A

is twice that in

B

Reason: For a given load, the extension in a wire is proportional to its length.

EASY

MHT-CET

IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 23

Two different types of rubber are found to have the stress-strain curve of similar type of material. The area of the curve of material is numerically equal to

Question Image

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IMPORTANT

MHT-CET TRIUMPH Physics Multiple Choice Questions Part - 1 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 13 - Elasticity>Critical Thinking>Q 24

The length of a rubber cord doubles, when stretched. Its Young's modulus is equal to

A solid rubber ball is carried from the surface to the bottom of a 200 m deep pond as a result of which its volume decreases by 0.1%. The density of pond water is 1.0×103 kg m-3. If g=10 m s-2, then the bulk modulus of elasticity in N m-2.

Important Questions on Elasticity

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A solid rubber ball is carried from the surface to the bottom of a $200 m$ deep pond as a result of which its volume decreases by $0.1 % .$ The density of pond water is $1.0 \times 10^{3} kg m^{- 3} .$ If $g = 10 m s^{- 2}$ , then the bulk modulus of elasticity in $N m^{- 2}$ .