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Two wires A and B of same material have...

Two wires A and B of same material have radii in the ratio `2:1` and lengths in the ratio `4:1`. The ratio of the normal forces required to produce the same change in the lengths of these two wires is

A

`1:1`

B

`2:1`

C

`1:2`

D

`1:4`

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AAKASH INSTITUTE ENGLISH-MECHANICAL PROPERTIES OF SOLIDS-Assignment(Section-A)
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  2. If the Bulk modulus of lead is 8.0xx10^(9)N//m^(2) and the initial den...

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  3. Two wires A and B of same material have radii in the ratio 2:1 and le...

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  4. For a given material, the Young's modulus is 2.4 times that of the m...

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  5. When the temperature of a gas is 20^(@)C and pressure is changed from ...

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  6. The stress versus strain graphs for wires of two material A and B are ...

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  7. Hooke's law is applicable for

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  8. The length of wire, when M(1) is hung from it, is l(1) and is l(2) wit...

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  9. When a load of 10 kg is suspended on a metallic wire, its length incre...

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  10. A rod of length / and radius r is held between two rigid walls so that...

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  11. If the temperature of a wire of length 2 m and area of cross-section 1...

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  12. The elastic energy stored per units volume in a streched wire is

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  13. A wire suspended vertically from one of its ends is stretched by attac...

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  14. Work done by restoring force in a string within elastic limit is -10 J...

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  15. The work done per unit volume to stretch the length of area of cross-s...

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  16. Which of the following affecs the elasticity of a substance

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  17. Select the wrong definition

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  18. Figure shows graph between stress and strain for a uniform wire at two...

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  19. Two different types of rubber are found to have the stress-strain curv...

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  20. The ratio of adiabatic to isothermal elasticity of a diatomic gas is

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