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When a force is applied along the length...

When a force is applied along the length of the wire

A

the length of the wire increases but its radius remains the same

B

both the ends of its length increases and radius also increases

C

length increases but radius decreases

D

both length and radius decreases

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The correct Answer is:
C
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NIKITA PUBLICATION-ELASTICITY-MCQ
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  2. A stress of 10^(6) Nm^(-2) is required for breaking a material. If the...

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  3. When a force is applied along the length of the wire

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  4. Young's modulus for a perfectly rigid body is

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  5. Which of the modulus of elasticity is involved in compressing a rod to...

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  6. The compressibility of water is 4.5xx10^(-10)m^(2)//N. 1 L of water is...

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  7. Modulus of rigidity of a liquid

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

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

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

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

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

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  13. The poisson's ratio cannot have the value

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  14. The Poisson's ratio is defined as

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  15. The only elastic modulus that applies to fluids is

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

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

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

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

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

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