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If stress is numerically equal to young'...

If stress is numerically equal to young's modulus the elongation will be

A

1/4 the original length

B

1/2 the original length

C

Equal to the original length

D

Twice the original length

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 2 (YOUNG.S MODULUS)
  1. A copper wire and an aluminium wire have lengths in the ratio 3:2, dia...

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  2. There are two wires of same material. Their radii and lengths are both...

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  3. If stress is numerically equal to young's modulus the elongation will ...

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  4. An aluminium rod has a breaking strain 0.2%. The minimum cross-section...

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  5. A string of cross section 2cm^2 is doubled in length by the applicati...

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  6. A metallic ring of radius r and cross-sectional area A is fitted into ...

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  7. The length of a rubber cord is l1 metres when the tension in it is 4N ...

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  8. When a metal sphere is suspended at the end of a metal wire its extens...

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  9. A wire whose cross-sectional area is 4 mm^2 is stretched by 0.1 mm by...

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  10. When a tension 'F' is applied, the elongation produced in uniform wire...

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  11. Two wires A and B have Young's modulii in the ratio 1:2 and ratio of l...

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  12. A wire stretched by 0.01 m when it is stretched by a certain force. An...

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  13. A steel wire is 1m long and 1mm^2 in area of cross-section. If it tak...

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  14. Two bars A and B of circular cross section and of same volume made of ...

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  15. An iron wire of length 4m and diameter 2mm is loaded with a weight of ...

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  16. Two wires of same material have masses in the ratio 3:4 the ratio of t...

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  17. Two exactly similar wires of steel (Y=20 xx 10^11 dy//cm^2) and copper...

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  18. Two wires of same length and thickness are joined end to end. Their Yo...

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  19. A steel wire of length 20 cm is stretched to increase its length by 0....

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  20. A tungsten wire, 0.5 mm in diameter, is just stretched between two fix...

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