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When a tension 'F' is applied, the elong...

When a tension 'F' is applied, the elongation produced in uniform wire of length l, radius r is e, when tension 2F is applied, the elongation produced in another uniform wire of length 2l and radius 2r made of same material is

A

0.5e

B

1.0e

C

1.5e

D

2.0e

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 2 (YOUNG.S MODULUS)
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  3. When a tension 'F' is applied, the elongation produced in uniform wire...

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

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

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

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

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

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

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

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

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

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

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