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The longitudinal extention of any elasti...

The longitudinal extention of any elastic material is very small.In order to have an appericiable change ,the material must be in the form of

A

thin block of any cross section

B

thick block of any cross section

C

long thin wire

D

short thin wire

Text Solution

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The correct Answer is:
C
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NIKITA PUBLICATION-ELASTICITY-MCQ
  1. Modulus of rigidity of a liquid

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  2. Which of the following is more elastic than air ?

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  3. The longitudinal extention of any elastic material is very small.In or...

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  4. In MKS system, unit of Young's modulus is

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  5. What are dimensions of Young's modulus of elasticity?

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  6. A steel wire is stretched by 1 kg wt. If the radius of the wire is dou...

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  7. The poisson's ratio cannot have the value

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  8. The Poisson's ratio is defined as

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  9. The only elastic modulus that applies to fluids is

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  10. Two identical wires of substances 'P' and 'Q' are subjected to equal s...

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  11. A wire of length L and radius r suspended from rigid support of mass M...

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  12. The reason for the change in shape of a regular body is

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  13. The compressibility of a material is B.A cube of side 'a' is made with...

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  14. A metal rod undergoes an elastic strain of 0.04% and the Young's modu...

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  15. A rubber cube of side 10 cm has one side fixed to a horizontal surface...

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  16. The Young's modulus of a material is 10^(11)N//m^(2) and its Poisson's...

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  17. Volume elasticity is possessed by

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  18. A steel wire of length 2.5 m and area of cross section 1.25 mm^(2), wh...

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  19. A metal wire is observed to stretch by one part in a million when subj...

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  20. A metal wire 4m long and 2xx10^(-7)sq.m in cross-section is stretched ...

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