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The following four wires are made of the...

The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?

A

length 50 cm and diameter 0.5 mm

B

length 100 cm and diameter 1 mm

C

length 100 cm and diameter 2 mm

D

length 300 cm and diameter 3 mm

Text Solution

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The correct Answer is:
A
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MOTION-ELASTICITY-EXERCISE -1
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  2. Out of the following materials, whose elasticity is independent of tem...

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  3. A cable that can support a load W is cut into two equal parts .T he ma...

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  4. The following four wires are made of the same material. Which of these...

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  5. The dimensional formula for compressibility is

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  6. The potential energy of a weight less spring compressed by a distance ...

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  7. A rod of length l and area of cross-section A is heated from 0^(@)C to...

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  8. When a wire is stretched, an amount of work is done. What is the amoun...

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  9. How many times is the adiabatic modulus of elasticity of gas as compar...

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  10. An iron bar of length l cross section 'A' and young's modulus Y is pu...

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  11. On withdraw in the external applied force on bodies within the elastic...

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  12. Elasticity is the property which is caused by

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  13. The effect of temperature on the value of modulus of elasticity for va...

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  14. The number of independent elasctic constants of a solid is

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  15. Ratio of isothermal elasticity of gas to the adiabatic elasticity is

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  16. On abruptly withdrawing the stretching force acting on a wire, its tem...

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  17. The sigma of a material is 0.20. If a longitudinal strain of 4.0xx10^...

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  18. A cylinder is of length l and diameter d. On stretching the cylinder, ...

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  19. Which one is more elastic rubber or steel? Explain.

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  20. If in a wire of Young's moduls Y, longitudinal strain X is produced th...

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