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Which of the following statements are co...

Which of the following statements are correct?
a) A wire is stiffer if Y is large b) A wire is stiffer if Y is small c) A wire is stronger if the breaking stress is large d) A wire is stronger if the breaking stress is small

A

b,c

B

b,d

C

a,d

D

a,c

Text Solution

Verified by Experts

The correct Answer is:
D
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE -IA
  1. A copper wire and a steel wire of the same diameter and length are con...

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  2. The Young's modulus of steel is more than that of rubber. For a given ...

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  3. A wire of length 'L' and cross sectional area 'A' is made up of a mate...

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  4. K is the force constant of a spring. The work done is increasing its e...

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  5. Work done per unit volume is stretching a wire

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  6. Which has more Young's modulus, a thin steel wire or thick steel wire

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  7. The strain stress curves of three wires of different material as shown...

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  8. The load verses elongation graph for four wires of the same material i...

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  9. The property due to which a material can be hammered into thin sheet i...

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  10. A beam of metal supported at the two ends is loaded at the centre. The...

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  11. The potential energy U between two molecules as a function of the dist...

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  12. A uniform rod is fixed at one end to a rigid support, its temperature ...

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  13. Which of the following statements are correct? a) A wire is stiff...

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  14. Identify the correct answer. When a very long rod suspended in ai...

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  15. Identify the correct answer. When a wire is stretched to double its le...

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  16. Arrange the following materials in the increasing order of elasticity ...

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  17. Two wires A and B have equal lengths and are made of the same material...

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  18. Select the correct alternative(s) a) Elastic forces are always co...

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  19. The diagram show a force-extension graph for a rubber band. Consider t...

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  20. The diagram shows stress v/s strain curve for the materials A and B. F...

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