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Longitudinal strain is caused...

Longitudinal strain is caused

A

only in solids

B

only in liquids

C

only in gases

D

in liquids and gases

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The correct Answer is:
A
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Assertion If length of a wire is halved, its Young's modulus of elasticity will become two times. Reason The ratio of longitudinal stress and longitudinal strain is called Young's modulus of elasticity.

The ratio of tensile stress to the longitudinal strain is defined as

The stress required to double the length of wire (r) to produce 100% longitudinal strain is

Longitudinal stress .

If in a wire of Young's moduls Y , longitudinal strain X is produced then the potential energy stored in its unit volume will be:

The elastic energy per unit volume is terms of longitudinal strain sigma and Young's modulus Y is

TARGET PUBLICATION-ELASTICITY-Competitive Thinking
  1. Longitudinal strain is caused

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

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  3. The stress in a wire of diameter 2 mm, if a load of 100 g is applied t...

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  4. Two wires A and B are stretched by the same load. If the area of cross...

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  5. A rope 1 cm in diameter breaks if the tension in it exceeds 500 N. The...

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  6. A man grows into a giant such that his linear dimension increase by a ...

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  7. The pressure that has to be applied to the ends of a steel wire of len...

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  8. The modulus of elasticity is dimesionally equivalent to

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  9. If a spring is extended to length l, the according to Hook's law

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  10. Hook's law defines

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  11. Under elastic limit the stess is

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  12. The coefficient of elasticity normally

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  13. Young's modulus for a wire of length L and area of cross-section A is ...

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  14. A wire of length L is hanging from a fixed support. The length changes...

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  15. Under the action of load F(1), the length of a string is L(1) and that...

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  16. The Young's modulus of a material is 2xx10^(11)N//m^(2) and its elasti...

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  17. When a load of 80 N is suspended from a string, its length is 101 mm. ...

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  18. The ratio of the lengths of two wires A and B of same material is 1 :2...

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  19. Two wires are made of the same material and have the same volume. Howe...

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  20. Four wires of same material but having different length and radii are ...

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