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A uniform rod is fixed at one end to a r...

A uniform rod is fixed at one end to a rigid support, its temperature is gradually increased the representation of graph strain (e) versus increment in temperature `Delta theta ` is

A

d

B

a

C

c

D

b

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The correct Answer is:
B
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Four rods A, B, C and D of the same length and material but of different radii r, r sqrt(2),r sqrt(3) and 2r respectively are held between two rigid walls. The temperature of all rods is increased through the same range. If the rods donot bend, then a) The stress in the rods A, B, C and D are in the ratio 1:2:3:4 b) The forces on them exerted by the wall are in the ratio 1:2:3:4 c) The energy stored in the rods are due to elasticity are in the ratio 1:2:3:4 d) The strains produced in the rods are in the ratio 1:2:3:4

AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE -IA
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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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