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An iron rod B of length 1 m and mass 1 k...

An iron rod B of length 1 m and mass 1 kg is suspended with help of two wires as shwon in figure. The area of cross-section of iron wire is 0.3 `cm^(2)` and of copper wire is `0.6cm^(2)`.

In the above question, if `Y_("iron"):Y_(Cu)=2:1`, then the ratio of extension produced in copper wire to iron wire is

A

`1:1`

B

`2:1`

C

`1:2`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A block of mass 500kg is suspended by wire of length 70 cm. The area of cross-section of wire is 10 mm^(2) . When the load is removed, the wire contracts by 0.5cm. The young's modulus of the material of wire will be

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    D
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  • The frequency ratio of two wires of copper is 2 : 3 if the diameter of the first wire is 0.6mm, the diameter of the other wire is -

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    0.9 mm
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    C
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    D
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