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Which of the following statements is wro...

Which of the following statements is wrong?

A

Young's modulus for a perflcetly rigid body is zero

B

Bulk modulus is relevant for solids, liquids and gases

C

Rubber is less elastic then steel

D

Young's modulus and shear modulus are relevant for solids

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The correct Answer is:
a
Young's modulus for a perfectly rigid body is zero.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ELASTICITY -EXERCISE 1
  1. The adjacent graph shows the extension (Delta I) of a wire of lenth 1 ...

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  2. A body subjected to strain a number of times does not obey Hook's la...

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  3. Which of the following statements is wrong?

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  4. A stress of 3.18 xx 10^(8) Nm^(-2) is applied to a steel rod of length...

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  5. The young's modulus of a wire of length (L) and radius (r ) is Y. If t...

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  6. An iron rod of length 2 m and cross-sectional area of 50 mm^(2) is str...

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  7. A particular force (F) applied on a wire increases its length by 2 xx ...

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  8. When a sphere is taken to bottom of sea 1 km deep, it contracts by 0.0...

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  9. A copper bar of length L and area of cross-section A is placed in a ch...

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  10. A ball falling in a lake of depth 200 m shows a decrease of 0.1% in i...

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  11. When a rubber cord is stretched, the change in volume with respect to ...

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  12. A uniform cube is subjected to volume compression. If each side is dec...

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  13. For most materials the Youngs modulus is n times the modulus of rigidi...

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  14. In the three states of matter, the elastic coefficient can be

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  15. For a wire of length L, maximum change in length under stress conditio...

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  16. To what depth below the surface of sea should a rubber ball be taken a...

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  17. One end of a unifrom wire of length L and weigth W is attached rigidly...

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  18. A 5 aluminium wire (Y = 7 xx 10^(10) Nm^(-2)) of diameter 3 mm support...

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  19. Four identical rods are stretched by same force. Maximum extension is ...

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  20. Compressibility of water is 5 xx 10^(-10) m^(2) N^(-1). The change in ...

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