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The stress versus strain graphs for wire...


The stress versus strain graphs for wires of two materials A and B are as shown in the figure. If YA and YB are the Young's moduli of the materials then

A

`Y_B=2Y_A`

B

`Y_A=3Y_B`

C

`Y_B=3Y_A`

D

`Y_A=Y_B`

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AAKASH INSTITUTE-MECHANICAL PROPERTIES OF SOLIDS-Assignment(Section-A)
  1. For a given material, the Young's modulus is 2.4 times its modulus of ...

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  2. When the temperature of a gas is 20^(@)C and pressure is changed from ...

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  3. The stress versus strain graphs for wires of two materials A and B are...

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  4. Hooke's law is applicable for

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  5. The length of wire, when M(1) is hung from it, is l(1) and is l(2) wit...

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  6. When a load of 10 kg is suspended on a metallic wire, its length incre...

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  7. A rod of length / and radius r is held between two rigid walls so that...

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  8. If the temperature of a wire of length 2 m and area of cross-section 1...

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  9. The energy stored per unit volume of a strained wire is

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  10. A wire suspended vertically from one of the its ends is stretched by a...

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  11. Work done by restoring force in a string within elastic limit is -10 J...

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  12. The work done per unit volume to stretch the length of area of cross-s...

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  13. Which of the following affects the elasticity of a substance

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  14. Select the wrong definition

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  15. Figure shows graph between stress and strain for a uniform wire at wo ...

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  16. Two different types of rubber are found to have the stress-strain curv...

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  17. The ratio of adiabatic to isothermal elasticity of a diatomic gas is

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

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  19. When a rubber ball is taken to the bottom of a sea o depth 1400 m ts v...

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  20. A spherical ball contracts in volume by 0.02%, when subjected to a nor...

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