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Two bars A and B of circular cross secti...

Two bars A and B of circular cross section and of same volume made of same material are subjected to tension. If the diameter of A is half that of B and if the force applied to both the rods is the same and it is in the elastic limit the ratio of extension of A to that of B will be

A

16

B

8

C

4

D

2

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The correct Answer is:
A
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 2 (YOUNG.S MODULUS)
  1. A wire whose cross-sectional area is 4 mm^2 is stretched by 0.1 mm by...

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

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

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

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

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

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

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

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

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

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

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

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  13. Two wires are arranged as shown in the figure. The elongations in uppe...

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  14. A uniform steel rod of length 1m and area of cross section 20 cm^2 is...

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  15. The Young's modulus of steel is twice that of brass. Two wires of the ...

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  16. A steet wire of length 4.7 m and cross - sectional area 3.0xx10^(-5)m^...

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  17. If the Poissions ratio of a substance is 0.25 then the ratio of its Yo...

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  18. The poisson ratio for the material of a wire is 0.4. When a force is a...

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  19. Four identical hollow cylindrical columns of mild steel support a big ...

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  20. Two block of masses 1 kg 2 are connected by a metal wire going over a ...

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