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Three wires A,B,C made of different mate...

Three wires `A,B,C` made of different materails elongated by `1.5,2.5,3.5mm`, under a load of `5kg`. If the diameters of the wires are the same, the most elastic material is that of

A

`A`

B

`B`

C

`C`

D

`A,B & C` are correct

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The correct Answer is:
A
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NARAYNA-MECHANICAL PROPERTIES OF SOLIDS-C.U.Q
  1. Which of the following affects the elasticity of a substance

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  2. A spring is stretched by applying a load to its free end. The strain...

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  3. Three wires A,B,C made of different materails elongated by 1.5,2.5,3.5...

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  4. The modulus of elasticity is dimesionally equivalent to

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  5. For a perfectly rigid body

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  6. Statement-1 : C(P)-C(upsilon) = R is true for monoatomic gases only. ...

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  7. As temperture increases the Young's modulus of the material of a wire

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  8. If stress is numbercially equal to young's modulus, the elongation wi...

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  9. A wire elongastes by 1.0 mm when a load W ils hung from it. If this wi...

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  10. A uniform rod of length L and mass M is pulled horizontally on a smoot...

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  11. The bulk modulus for an incompresssible liquid is

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  12. Shearing strain is expreseed by

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  13. Braking froce per unit area of cross section of a wire is called

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  14. The property of metals where by they could be drawn into thin wires b...

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  15. The breaking stress of a wire depends on

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  16. A wire can sustain the weight of 40kg before breaking. If the wire is...

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  17. The graph shows the change 'Delta l' in the length of a thin uniform w...

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  18. If the length of the wire is doubled the strain produced is

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  19. A Copper wire and steel of the same diameter and length are connected...

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  20. An iron bar of length L. Cross section A and Young's modulus Y is heat...

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