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Steel is preferred for making springs ov...

Steel is preferred for making springs over copper because

A

Young's modulus of steel is more than that of copper

B

Steel is cheaper

C

Young's modulus of copper is more

D

Steel is less likely to be oxidised

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The correct Answer is:
A
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE -IA
  1. Identical springs of steel and copper are equally stretched. The sprin...

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  2. The possible value of Poission's ratio is

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  3. Steel is preferred for making springs over copper because

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  4. The Poisson's ratio o should satisfy the relation

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  5. The property of metals whereby they could be drawn into thin wires bey...

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

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  7. Consider an ideal monoatomic gas of volume V at pressure P. The bulk m...

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  8. If a metal wire is stretched a little beyond its elastic limit (or yie...

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  9. A metal wire of length L, area of cross-section A and Young's modulus ...

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  10. A uniform rod of mass m, length L, area of cross-section A and Young's...

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  11. An elastic metal rod will change its length when it a) falls vert...

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  12. The maximum load a wire can withstand without breaking, when its lengt...

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  13. A body of mass M is attached to the lower end of a metal wire, whose u...

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

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  15. A rigid bar of mass M is supported symmetrically by three wires each o...

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  16. Consider two cylindrical rods of identicaly dimensions, one of rubber ...

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  17. A mild steel wire of length 2L and cross sectional area A is stretched...

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  18. The stress-strain graphs for two materials are as shown.

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  19. A wire is suspended from the ceiling and stretched under the action of...

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  20. A copper wire and a steel wire of the same diameter and length are con...

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