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The area of cross-section of a wire of l...

The area of cross-section of a wire of length 1.1 meter is `1mm^(2)`. It is loaded with 1 kg. if young's modulus of copper is `1.1xx10^(11)N//m^(2)` then the increase in length will be (if `g=10m//s^(2)`)-

A

0.05

B

0.1 mm

C

0.2mm

D

0.3mm

Text Solution

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The correct Answer is:
D
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ALLEN -ELASTICITY, SURFACE TENSION AND FLUID MECHANICS-Exercise 2 (One or more than one correct answer)
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  2. A steel wire of 1.5 m long and of radius 1 mm is attached with a load ...

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  3. The area of cross-section of a wire of length 1.1 meter is 1mm^(2). It...

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  4. One end of a long metallic wire of length (L) is tied to the ceiling. ...

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  5. In Young's slit experiment, if the distance between two slits is halve...

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  6. Find out the elongation in block. If mass area of cross-section and yo...

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  7. A steel rod of cross-sectional area 16 cm^(2) and two brass rods each ...

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  8. The figure shows a soap film in which a closed elastic thread is lying...

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  9. Water rises in a capillary tube to a certain height such that the upwa...

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  10. In a U-tube diamter of two limbs are 0.5 cm and 1 cm respectively and ...

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  11. When water rises in a capillary tube of radius r to height h, then its...

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  12. There are two thin films A of liquid and B of polythene, identical in ...

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  13. A capillary of the shape as shown is dipped in a liquid. Contact angle...

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  14. The spring balance A reads 2 kg with a block m suspended from it. A ba...

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  15. A steel ball is floating in a trough of mercuty. If we fill the empty ...

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  16. A ballong filled with air is weighted so that it barely floats in wate...

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  17. A small bulb is placed at the bottom of a tank containing water to a d...

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  18. A solid uniform ball having volume V and density rho floats at the int...

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  19. A sperical ball of radius r and relative density 0.5 is floating in eq...

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  20. Three blocks, labeled A, B and C are floating in water as shown in the...

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